Questions on Geometry: Polygons answered by real tutors!

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Geometry: Polygons

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Question 162921: The measure of the interior angle of a regular polygon is 24 more than 38 times the measure of each exterior angle. Find the number of sides of the polygon.
Click here to see answer by bhembhe(4)

Question 176413This question is from textbook
: I need help with #16,how to find the measure of a 20-gon angle. Here are the directions, " find the measure of an angle in each polygon if the polygon is regular. Round to the nearest tenth of a degree if necessary.This question is from textbook

Click here to see answer by Mathtut(3670)

Question 176636: What is the area of a decagon who's side lengths measure 4cm?
Click here to see answer by solver91311(5072)

Question 176831: Each interior angle of a regular n-sided polygon is 150 degrees. How many sides does the polygon have?
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Question 176831: Each interior angle of a regular n-sided polygon is 150 degrees. How many sides does the polygon have?
Click here to see answer by MathLover1(1183)

Question 176831: Each interior angle of a regular n-sided polygon is 150 degrees. How many sides does the polygon have?
Click here to see answer by Alan3354(6097)

Question 177395: The lengths of the bases of an isosceles trapezoid are 20 and 44, and the length of the altitude is 16. Find the length of a leg of the trapezoid.
Click here to see answer by Fombitz(2113)

Question 178097This question is from textbook
: how do you do those problemsThis question is from textbook

Click here to see answer by solver91311(5072)

Question 178210: In each of the following, determine the number of sides of
a regular polygon with the stated property. If such a regular
polygon does not exist, explain why.
Each exterior angle measures 25°.
The total number of diagonals is 4860.
Click here to see answer by stanbon(26297)

Question 178491This question is from textbook geometry
: give three other names for pentagon QRSTU.This question is from textbook geometry

Click here to see answer by solver91311(5072)

Question 178404: What is the area of a triangle with a apothem of 5 and the base of the triangle is 4
The formula to find the area is: a x p divided by 2
a = apothem
p= perimeter
Click here to see answer by Alan3354(6097)

Question 178904: how many acute angles in a polygon?
Click here to see answer by Mathtut(3670)

Question 178905: how many obtuse angles in a polygon?
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Question 179269: find the length of the secon base of a trapezoid with area 14 units height 4 units and base 4.5 units?
Find the height of a triangle with are 12 square units and base 3 units?

find the perimeter of an equilateral rectangle with area 1/16 square units?
Find the area of a circle with circumference 8 pi units?
Click here to see answer by monika_p(55)

Question 174813: hi i have a geometry investigation to do about the equation for one interior angle of a regular polygon and i put the points for the number of sides to the measure of one angle in my calculator(3 sides=60 degrees, 5 sides= 108 degrees, etc. from 3 to 8 sides) and then went to stat calc and did the quad regression. I got an equation of y=-2.78x^2+44.93x-48.02. One of the questions is How many degrees is one interior angle of a regular 100-gon. So, i put in 100 for x but get a negative number. Please get back to me asap!
Thanks!!
Click here to see answer by solver91311(5072)

Question 181166: The measure of one interior angle of a regular polygon is 144 degrees find the number of sides of the polygon?
Click here to see answer by stanbon(26297)

Question 181166: The measure of one interior angle of a regular polygon is 144 degrees find the number of sides of the polygon?
Click here to see answer by solver91311(5072)

Question 181167: the measure of one exterior angle of a regular polygon is 175degrees find the number of sides of the polygon
Click here to see answer by Mathtut(3670)

Question 182680This question is from textbook Geometry

: can you please help me solve: (((A regular polygon has 12 sides. Find the measure of each interior angle.)))This question is from textbook Geometry

Click here to see answer by J2R2R(44)

Question 183048: I have been giving a difficult question and it may be hard to explain because im not sure how to show the irregular shape i have been giving.But i have 1 rectangle that is 8m in base and 25m in height. Then i have another rectangle that is 10m in base and 8m in height and on the other side is 15 m. There is also a small rectangle that is only 6m in base and the onther rectangle that is next to it is 10m i height and one mre that is 6m in base. In case you are confused could you tell me please how to show a irregular shape so i can place the numbers. Thank you
Click here to see answer by Alan3354(6097)

Question 183959: a regular polygon has one interior angle that measures 160 degrees. how many sides does it have? i don't know how to do it.
Click here to see answer by Alan3354(6097)

Question 183965: HOW MANY SIDES DOES A POLYGON HAVE
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Question 183965: HOW MANY SIDES DOES A POLYGON HAVE
Click here to see answer by Alan3354(6097)

Question 184442: what is teh total number of degrees in a 22-gon?
Click here to see answer by stanbon(26297)

Question 184463: How do I proove that to lines are parallel if I am given a transversal and the angles that transversal is going through the lines?
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Question 184462: How do I find a missin angle in a heptagon? I am given angles 142 130 122 105 and 110
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Question 184461: How do I find a missin angle in a heptagon? I am given angles 142 130 122 105 and 110
Click here to see answer by stanbon(26297)

Question 185221: A -RIGHT- angle is how many degrees?
Click here to see answer by checkley77(7072)

Question 185584This question is from textbook
: How do you find the height of a trapezoid, which is needed to find the area.
This question is from textbook

Click here to see answer by Earlsdon(4900)

Question 186013: How do you divide an irregular polygon into five equal parts? The shape looks like a square but the top of both sides point to the right. Like an arrow >
Click here to see answer by vleith(1977)

Question 186345: how can you find the number of sides of an equiangular polygon by measuring one of its interior angles? By measuring one of its exterior angles?
Click here to see answer by stanbon(26297)

Question 186473: How many lines of symmetry does a regular pentagon have?
Click here to see answer by feliz1965(151)

Question 186272: What is a polygon? What is the difference between an equiangular polygon, an equilateral polygon, and a regular polygon? Provide an example of each

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Question 187026: How many rectangles can be formed by connecting 4 vertices of a regular octagon?
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Question 187068: how do you find the number of sides when you have the interior angle?
Click here to see answer by Alan3354(6097)

Question 187776: what is the angle sum of a regular polygon with 7 sides?

I have tried using the equation of 180(n-2)/n
180(7-2)/7=
128 is the answer I am getting. Is that right. Would the angle sum of a regular polygon equal to 128?
thank you
Click here to see answer by Alan3354(6097)

Question 188155: A polygon has interior angles that are all obtuse. Which of the following polygons could it be?
Click here to see answer by Alan3354(6097)

Question 188200This question is from textbook prentice hall geometry
: find the area of each regular polygon. round to nearest tenth
It is a triangle and the only # given is 8in for 2 of the sidesThis question is from textbook prentice hall geometry

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Question 188325: The interior angles of a polygon equal 180°. How many sides does this polygon have?
Click here to see answer by stanbon(26297)

Question 188365This question is from textbook california geometry
: This question is from textbook california geometry

Click here to see answer by Mathtut(3670)

Question 188469: What is the sum of the measures of the interior angles of a 3x-gon?
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Question 188967: what is a polygon with all sides the same lenght and all angles the same measure is a __________
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Question 188976: The sum of the measures of the interior angles of a polygon is five times the sum of the measures of its exterior angles, one angle at each vertex.How many sides does the polygon have?
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