Questions on Geometry: Polygons answered by real tutors!

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Geometry: Polygons

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Question 1682: Area of a trapezoid is 24
base1=8
base2=same as height
what is the height??
Click here to see answer by longjonsilver(2297)

Question 2227: a rhombus with a 24 cm diagonal has an area of 120 cm sqaured . find the length of a side of the rhombus
Click here to see answer by khwang(438)

Question 2447: (10pow 11) > (11 pow 10) and (20 pow 21) > (21 pow 20)please send the procedure to solve this problem

Click here to see answer by khwang(438)

Question 2968: How do you use vectors to prove that the diagnols of a rhombus are orthogonal. Any help is appreciated and thank you in advance.
Click here to see answer by longjonsilver(2297)

Question 3181: Suppose the interior angles of a convex pentagon are five consecutive numbers, find the measure of the largest angle.
Click here to see answer by longjonsilver(2297)

Question 3181: Suppose the interior angles of a convex pentagon are five consecutive numbers, find the measure of the largest angle.
Click here to see answer by khwang(438)

Question 3244: I need help in geomatry. How do you find exterior angles of a polygon? This is for homework so please answer as soon as possible. Thank you so much.
Click here to see answer by drglass(89)

Question 3298: Suppose the interior angles of a convex pentagon are five consecutive numbers, find the measure of the largest angle.
Click here to see answer by drglass(89)

Question 3534: Jim bought a new pair of glasses. The lenses had six sides. The lenses were in the shape of a:
a) square
b)heptagon
c)hexagon
d)quadrilateral
Click here to see answer by longjonsilver(2297)

Question 3533: the perimeter of a church window is 60 inches. if the window is in the shape of a regular pentagon, what is the length of each side of the window?
Click here to see answer by drglass(89)

Question 4062: What are the number of sides in a 900 degree convex polygon?
Click here to see answer by Earlsdon(4900)

Question 4119: how many sides does a regular polygon have if it has exterior angles of 20 degrees
Click here to see answer by khwang(438)

Question 4305: what is the sum of the measure of the exterior angle of a convex 13-gon
Click here to see answer by khwang(438)

Question 4493: How many angles does a octagon has?

Click here to see answer by pushpaharan(47)

Question 4301: Calculate the measure for each exterior angle of a regular nonagon?A.)20 deg.
B.)40 deg.
C.)140 deg.
D.)1260 deg.

Click here to see answer by CharStar(110)

Question 14196: what is a nine sided shape called?
Click here to see answer by Jess05(1)

Question 14743: how we find the measure of exterior angles?
Click here to see answer by Alwayscheerful(414)

Question 15311: Please help me to find a genral rule for calculating the sum of angles for any n- sided polygon...
Help its homework and needed by Sunday the 16th of October
Cheers,

Click here to see answer by rapaljer(3620)

Question 15387: interior andle measure of a regular polygon is given. Find the number of sides of the polygon.
168 degrees
How do I find this?
Click here to see answer by Earlsdon(4900)

Question 15619: If the sum of the measures of five of the angles of a hexagon is 670, what is the measure of the sixth angle?
I have a few questions like this one, but with varying numbers of sides. I just need to know the formula needed to solve for a question like this one. Thank you in advance.
Click here to see answer by Earlsdon(4900)

Question 15838: what is the correct name for 11-gon
Click here to see answer by bfis20(3)

Question 16408: I would like to know the number of Triangles Formed with Diagonals from one Vertex of a Heptagon, Octagon, Nonagon, Decagon, Hendecagon, Dedecagon, Tridecagon, Tetradecagon, Pentadecagon, Hexadegon, Heptadecagon, Octadecagon, Enneadecagon.
Click here to see answer by Earlsdon(4900)

Question 17276: what do you call a nine sided polygon

Click here to see answer by plourde216(7)

Question 17273: what do u call a nine sided polygon
Click here to see answer by rapaljer(3620)

Question 17273: what do u call a nine sided polygon
Click here to see answer by ohhshnappx3(2)

Question 17946: The measure of an interior angle of a regular polygon is three times the measure of an exterior angle of the same polygon. What is the name of the polygon?
Click here to see answer by venugopalramana(3286)

Question 18359: how many lines of symmetry does a pentagon have?
and how many does a rhombus have?
Click here to see answer by khwang(438)

Question 18501: What is the interior angle sum of a 30-sided Polygon- show the formula.
(its an extra credit question for tonight)
Click here to see answer by xcentaur(357)

Question 18713: what is a nine sided shape called ?
Click here to see answer by askmemath(368)

Question 23026:
39.21x+2.65=42.03x

can anyone explain to me how to solve this decimal equation and if you can please try to put in 8th grade terms. oh and if you can do you mind solving this one for me too? -7x+32=-21
thankyou!
Click here to see answer by AnlytcPhil(958)

Question 22108: Hello.
Please help me on my Pre-Algebra homework problem. Here's the problem: Eight people meet at a party. Each person shakes hands with each of the others exactly once. Which geometry problem seems most closely related to the handshake problem?..Appreciate your help and time.
Khang
Click here to see answer by venugopalramana(3286)

Question 25123:
Solve for x and the dimensions of the polygon.
The shape is a square and the perimeter equals 24 units. The sides equal x-2. I solved for x and got x equals 2 units. I would like to know if i answered this question correctly and fully.
Click here to see answer by quentin252(19)

Question 26294: What is the sum of the angles of the points of a star?
Click here to see answer by stanbon(26275)

Question 26932: How do you find the area of a polygon?
Click here to see answer by venugopalramana(3286)

Question 28538: a quadrilateral with angles that mesure: x to the second power, x to the second power - 5x, x to the second power + 2x and 30. solve for x.
Click here to see answer by Earlsdon(4900)

Question 28537: a quadrilateral with angles that mesure: 10x-25, 10x, 3x to the second power, and 2x to the second power. solve for x.
Click here to see answer by venugopalramana(3286)

Question 28778: how many diagnols are in an octogon, nonogon, decogon?¿
Click here to see answer by askmemath(368)

Question 28159: A regular octagon with center at the orgin and raidus 4 is graphed in the coordinate plane. since V2 lies on the line y=x, its x- and y-coordinates are equal. Use the distance formula to find the coordinates of V2 to the nearest tenth.
Click here to see answer by venugopalramana(3286)

Question 28771: how many diagnols are in an octagon, nonagon, and decagon?¿

Click here to see answer by Kalmetam(42)

Question 31172: Hello! I have tried this problem over and over again but I can't seem to get it. Please help.
A regular hexagon has sides four feet long. Find the area of the triangle formed by connecting alternate vertices.
I know your supposed to show your previous work, but honestly, I don't even know where to start! I really need your help. Thank you so very much.
Click here to see answer by longjonsilver(2297)

Question 28866: Find the product of 524 and 705.
Click here to see answer by brianunlv(12)

Question 31579: how do you find the area & apothem of a octagon.
Click here to see answer by stanbon(26275)

Question 31876: How do I find the area, radius and apothem of a regular hexagon with the side length of 18?
Click here to see answer by Earlsdon(4900)

Question 33196: Please help me with this question:
Click here to see answer by sarah_adam(201)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495