Questions on Geometry: Polygons answered by real tutors!

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Question 153131: if the sum of the measures of the interior angles of a regular polygon is 540. how many sides does it have?: if the sum of the measures of the interior angles of a regular polygon is 540. how many sides does it have?
Click here to see answer by orca(258)

Question 149616: What is the name of the polygon whose interior angles have a sum of 540 degrees?

Thanks,
Amanda
: What is the name of the polygon whose interior angles have a sum of 540 degrees?

Thanks,
Amanda

Click here to see answer by ayman11(2)

Question 148791: when you first walk into weaver there are 2 large regular octogonal pillars. the edges are 6.5 and they are 9 feet tall. how much granite was needed to build these pillars??: when you first walk into weaver there are 2 large regular octogonal pillars. the edges are 6.5 and they are 9 feet tall. how much granite was needed to build these pillars??
Click here to see answer by nerdybill(465)

Question 148789: A kit has an 8 inch side and a 15 inch side which form a right angle. find the length of the diagonals of the kite.: A kit has an 8 inch side and a 15 inch side which form a right angle. find the length of the diagonals of the kite.
Click here to see answer by nerdybill(465)

Question 148655: 1. A trapezoid has two 65-degree angles and 9-inch and 12-inch parallel sides. How long are the non-parallel sides? What is the area enclosed by this figure?: 1. A trapezoid has two 65-degree angles and 9-inch and 12-inch parallel sides. How long are the non-parallel sides? What is the area enclosed by this figure?
Click here to see answer by jojo14344(371)

Question 148552: a hexagon is inscribed in a circle of radius 4. find the area of the hexagon.: a hexagon is inscribed in a circle of radius 4. find the area of the hexagon.
Click here to see answer by Alan3354(565)

Question 148550: A regular pentagon can be dissected into 5 isosceles triangles whose vertex angle is at the center of the pentagon. The height of the triangle is 10 cm. find the area of this pentagon.: A regular pentagon can be dissected into 5 isosceles triangles whose vertex angle is at the center of the pentagon. The height of the triangle is 10 cm. find the area of this pentagon.
Click here to see answer by mangopeeler07(429)

Question 148352: What is a dedecagon?: What is a dedecagon?
Click here to see answer by Earlsdon(3516)

Question 148010: I have two more questions:
1. Two angles are supplementary, and the ratio of their measures is 7 to 2 what are the angle measures?
2. Two angles are complementary, and the ratio of their measures is 5 to 4. What are the angle measures? : I have two more questions:
1. Two angles are supplementary, and the ratio of their measures is 7 to 2 what are the angle measures?
2. Two angles are complementary, and the ratio of their measures is 5 to 4. What are the angle measures?
Click here to see answer by nerdybill(465)

Question 148008: In a regular polygon, the measure of each angle is 144 degree. How many sides does the polygon have?: In a regular polygon, the measure of each angle is 144 degree. How many sides does the polygon have?
Click here to see answer by Earlsdon(3516)

Question 146394: Find the area of an equilateral triangle w/ a side of 6 inches : Find the area of an equilateral triangle w/ a side of 6 inches
Click here to see answer by Socom491(19)

Question 145733: What is 2 over 43 equal j over 13. How do you solve that and do u have to reduce?: What is 2 over 43 equal j over 13. How do you solve that and do u have to reduce?
Click here to see answer by nabla(372)

Question 145726: i want to know how you find the area of an equilateral triangle (regular 3-gon) with the given measurement.
6-inch side.
A = sq. in.: i want to know how you find the area of an equilateral triangle (regular 3-gon) with the given measurement.
6-inch side.
A = sq. in.
Click here to see answer by Earlsdon(3516)

Question 144737: what is the approximate srface area of a regular tetrahedron with edge length 12 cm? : what is the approximate srface area of a regular tetrahedron with edge length 12 cm?
Click here to see answer by Alan3354(565)

Question 144269This question is from textbook Survey of Math w/ Apllications
: Could you please help me with this question?
What is a polygon? What is the difference between an equiangular polygon, an equilateral polygon, and a regular polygon? Provide an example of each.
Look it up on wikipedia.com
This question is from textbook Survey of Math w/ Apllications
: Could you please help me with this question?
What is a polygon? What is the difference between an equiangular polygon, an equilateral polygon, and a regular polygon? Provide an example of each.
Look it up on wikipedia.com

Click here to see answer by Alan3354(565)

Question 143400This question is from textbook CPM
: how many sides does a polygon have if the sum of its interior angles is 1440 degressThis question is from textbook CPM
: how many sides does a polygon have if the sum of its interior angles is 1440 degress
Click here to see answer by Earlsdon(3516)

Question 143291: Given square ABCD with AB= 2x+1 and CD= 5x-19 what is the perimeter of the square?: Given square ABCD with AB= 2x+1 and CD= 5x-19 what is the perimeter of the square?
Click here to see answer by stanbon(18044)

Question 143287: What convex polygon has an interior angle sum of 1080?: What convex polygon has an interior angle sum of 1080?
Click here to see answer by stanbon(18044)

Question 143288: Find the number of sides of a regular polygon with an interior angle measuring 144 degrees.: Find the number of sides of a regular polygon with an interior angle measuring 144 degrees.
Click here to see answer by stanbon(18044)

Question 140400This question is from textbook geometry

: please help me find the measure of a circumference with its radius 5in.This question is from textbook geometry

: please help me find the measure of a circumference with its radius 5in.
Click here to see answer by jojo14344(371)

Question 142464: The measure of each interior angle in a polygon is 120. What is the name of the polygon?
: The measure of each interior angle in a polygon is 120. What is the name of the polygon?

Click here to see answer by stanbon(18044)

Question 142466: What is the formula to find the sum of the angle measures in a 14-gon?: What is the formula to find the sum of the angle measures in a 14-gon?
Click here to see answer by stanbon(18044)

Question 141814This question is from textbook

: how do you find the area of a regular pentagon with radius 10cm?This question is from textbook

: how do you find the area of a regular pentagon with radius 10cm?
Click here to see answer by edjones(2169)

Question 141745: A vehicle travels 125.7 feet while its weels revolve 16 times.Find the diameter of the wheels to the nearest inch.: A vehicle travels 125.7 feet while its weels revolve 16 times.Find the diameter of the wheels to the nearest inch.
Click here to see answer by ankor@dixie-net.com(3948)

Question 141744: Find the number of sides of a convex polygon if the measures of its interior angles have a sum of 1440 degrees?: Find the number of sides of a convex polygon if the measures of its interior angles have a sum of 1440 degrees?
Click here to see answer by stanbon(18044)

Question 141624: It has been well over 20 years since I have done geometry and trying to assist a friend in high school. The problem is as follows: The longer leg of a right triangle is 6 cm longer than 6 times the shorter leg and 1 cm shorter than the hypoteneuse. Find the perimeter. : It has been well over 20 years since I have done geometry and trying to assist a friend in high school. The problem is as follows: The longer leg of a right triangle is 6 cm longer than 6 times the shorter leg and 1 cm shorter than the hypoteneuse. Find the perimeter.
Click here to see answer by checkley77(1742)

Question 140725: 1. How many exterior angles are there in a n-gon? Are they all considered when using the Polygon Exterior Angles Theorem?

2. Find the sum of the measures of the interior angles of the convex polygon.
10-Gon
15-Gon
20-Gon
: 1. How many exterior angles are there in a n-gon? Are they all considered when using the Polygon Exterior Angles Theorem?

2. Find the sum of the measures of the interior angles of the convex polygon.
10-Gon
15-Gon
20-Gon

Click here to see answer by stanbon(18044)

Question 139863: sum of interior angles of a polygon with 5 sides
sum of interior angles of a polygon with 10 sides
sum of interior angles of a polygon with 4 sides
sum of interior angles of a polygon with 7 sides: sum of interior angles of a polygon with 5 sides
sum of interior angles of a polygon with 10 sides
sum of interior angles of a polygon with 4 sides
sum of interior angles of a polygon with 7 sides
Click here to see answer by Nate(3495)

Question 139229: find the area of an equilateral triangle whose perimeter is 12cm.
thank you for all your help! i just cant get this.: find the area of an equilateral triangle whose perimeter is 12cm.
thank you for all your help! i just cant get this.
Click here to see answer by eackers(1)

Question 138445: WHAT IS THE INTERIOR ANGLE MEASURE DEGREE IN A 11-GON
: WHAT IS THE INTERIOR ANGLE MEASURE DEGREE IN A 11-GON

Click here to see answer by stanbon(18044)

Question 137565: In a quadrilateral, each of two angles has a measure of 115 degrees. If the measure of a third angle is 70 degrees, what is the measure of the remaining angle? What are the steps in solving this problem?: In a quadrilateral, each of two angles has a measure of 115 degrees. If the measure of a third angle is 70 degrees, what is the measure of the remaining angle? What are the steps in solving this problem?
Click here to see answer by checkley77(1742)

Question 137036: How do you find the area of a Pentagon with the side lenths of 2?: How do you find the area of a Pentagon with the side lenths of 2?
Click here to see answer by jedidiah(6)

Question 136671: Please help me with this.
"Suppose you know the number of sides in a regular polygon,
the lenght of each side, and the distance from each side to the centre.
How can you determine its area?"
THANK YOU!!: Please help me with this.
"Suppose you know the number of sides in a regular polygon,
the lenght of each side, and the distance from each side to the centre.
How can you determine its area?"
THANK YOU!!
Click here to see answer by solver91311(1828)

Question 135943: find the sum of the exterior angles of a hexagon.
+: find the sum of the exterior angles of a hexagon.
+
Click here to see answer by stanbon(18044)

Question 135836: what is 22/7 on decimals pls teach me i forgot how to this and this homework is so HARD!! im doing volume formulas: what is 22/7 on decimals pls teach me i forgot how to this and this homework is so HARD!! im doing volume formulas
Click here to see answer by stanbon(18044)

Question 135203: the sum of the measures of the interior angles of a polygon is between 2100 and 2400. how many sides does the polygon have? thanks..
: the sum of the measures of the interior angles of a polygon is between 2100 and 2400. how many sides does the polygon have? thanks..

Click here to see answer by Edwin McCravy(1815)

Question 135202: One Polygon has 3 more sides than another. How many degrees are in the sum of the interior angle measures of the first polygon??Thank U: One Polygon has 3 more sides than another. How many degrees are in the sum of the interior angle measures of the first polygon??Thank U
Click here to see answer by solver91311(1828)

Question 135116: How many angles of equal measure are there in a regular hexagon?: How many angles of equal measure are there in a regular hexagon?
Click here to see answer by vleith(967)

Question 134673This question is from textbook Geometry

: for this question it says "A quadrilateral with sides 8cm, 9cm, 6cm and 5cm has area 45cm squared. Find the area of a similar quadrilateral whose longest side is 15cm. I don't understand how to set up the problem.This question is from textbook Geometry

Question 133840: Can you help me solve this problem: -2xsquared-5x-5
-(-5xsquared+3x-3) : Can you help me solve this problem: -2xsquared-5x-5
-(-5xsquared+3x-3)
Click here to see answer by Juhi(39)

Question 134059: How do you find area of part of a hexagon. For example the regular hexagon looks like a foot ball. I f youignore the extreme left corner and lable the top left corner as A and bottom left as B and Bottom Right as C and connect the A,B and C that gives you a right angle triangle. How do you find the area of this.: How do you find area of part of a hexagon. For example the regular hexagon looks like a foot ball. I f youignore the extreme left corner and lable the top left corner as A and bottom left as B and Bottom Right as C and connect the A,B and C that gives you a right angle triangle. How do you find the area of this.
Click here to see answer by vleith(967)