Questions on Geometry: Polygons answered by real tutors!

Tutors Answer Your Questions about Polygons (FREE)

Question 293638: The sum of the measures of the interior angles of a convex polygon is 1980. How many sides does the polygon have?
Click here to see answer by stanbon(75887)

Question 294346: A regular polygon has an interior angle with a measure of 135 degrees. How many sides does the polygon have?

Click here to see answer by stanbon(75887)

Question 295864: How many different (noncongruent) convex quadrilateral can you make on a 3-by-3 dot grid, using the dots as vertices?
Click here to see answer by solver91311(24713)

Question 295944: One of the interior angles of a polygon is 95 degrees and rest are each equal to 169 degrees. Find the number of sides of the polygon.
Click here to see answer by Alan3354(69443)

Question 296731: If the exterior angle of a regular polygon is 20 degrees, how many vertices does it have? Thank you soooo much and would you please provide detail with your answer?
Click here to see answer by Alan3354(69443)

Question 297155: If the exterior angle of a regular polygon is 20 degrees, how many vertices does it have? Thank you soooo much and would you please provide detail with your answer?
Click here to see answer by Alan3354(69443)

Question 297553: suppose one edge of a cubic tank is 8m and the tank is filled with water. Find the following: 1. the volume of the tank in cubic meters. 2. the capacity of the tank in liters. 3. the mass of water in kilograms.
Click here to see answer by Alan3354(69443)

Question 298248: What is a right isosceles triangle?

Click here to see answer by kirti251(6)

Question 298376: how many sides in the polygon?how much is each exterior angle

Click here to see answer by JBarnum(2146)

Question 298486: What is the number of sides of a convex polygon if the measures of its interior angles have a sum of 12.600 degrees
Click here to see answer by nyc_function(2741)

Question 298509: What is the area of a 15-gon with a perimeter of 90ft?

Click here to see answer by Alan3354(69443)

Question 298915: I need help with number 3 and 6 only.
Click here to see answer by richwmiller(17219)

Question 299273: ach angle of a regular n-gon measures 156 degrees. How many sides does the n-gon have?
Click here to see answer by stanbon(75887)

Question 299976: Why is the perimeter of a regular polygon the same answer if you add each side as when you multiply the length of one side by the total number of sides?
Click here to see answer by Alan3354(69443)

Question 301067: Find the area of a regular hexagon which has a perimeter of 36 meters. Leave your answer in simplest radical form.
Click here to see answer by Alan3354(69443)

Question 301226: What would the perimeter of a 12 sided polygon be if the perimeter is the same as the area??
Thank-you:)

Click here to see answer by Alan3354(69443)

Question 301662: A regular polygon has 6 sides. What is the degree measure of the angle,within the polygon, between any two sides?
Click here to see answer by Alan3354(69443)

Question 303072: How many diagonals can be formed from one vertex in a 100 sided polygon
Click here to see answer by noazrky@msn.com(4)

Question 303542: find the measure of an angle in a dodecagon [12 sided figure]''

Click here to see answer by ruvimsavin(2)

Question 305124: a regular hexagon has a side 12 in. long, its area is? The formula is P - 1/2 ap. I am stuck

Click here to see answer by Alan3354(69443)

Question 305922: How many heptagons is it possible to construct by joining the vertices of a decagon? Is there a formula for this? It seems like there is a systematic way to figure this out, but I'm stuck. Thanks.
Click here to see answer by scott8148(6628)

Question 306160: what is ______
(n-2)
Click here to see answer by Alan3354(69443)

Question 307110: What is the measure of each interior angle for a regular pentagon?
Click here to see answer by solver91311(24713)

Question 308314: if a television screen is a rectangle with a 53 inch diagonal and with a 45 inches, what is the height of the screen?
Click here to see answer by rfer(16322)

Question 308578: how many sides does a polygon have if it has an interior angle of 145 degrees
Click here to see answer by stanbon(75887)

Question 309139: In quadrilateral ABCD, angle A + angle C is 2 times angle B + angle D. If angle A = 40, then angle B =

(A) 60
(B) 80
(C) 120
(D) 240
(E) It cannot be determined from the information given.
Click here to see answer by solver91311(24713)

Question 309204: what is the approximate surface area of a regular tetrahedron with edge length 12cm ?

Click here to see answer by nyc_function(2741)

Question 309335: Calculate the number of sides for a regular polygon given the ratio of each interior angle to its adjasent angle is 3 to 1
Click here to see answer by stanbon(75887)

Question 309772: Which of the following CANNOT represent the degree measure of an equiangular polygon?

(1) 165 (2) 162 (3) 140 (4) 125 (5) 90

Click here to see answer by Alan3354(69443)

Question 310991: if the interior anhle is 140 degrees then how many sides do we have in this polygon?
Click here to see answer by Alan3354(69443)

Question 311308: One exterior angle of a regular polygon measures 24 degrees. What is the sum of the measures of the interior angles of the polygon?
Thanks for your help.

Click here to see answer by fractalier(6550)

Question 311312: the areas of two regular hexagons are 54x square root of 3 and 150x the square root of 3. Waht is the ratio of their perimeters?
thank you
Click here to see answer by fractalier(6550)

Question 311906: Find the measure of each interior angle for a regular pentagon. Round to the nearest tenth if necessary.

How do you do this proble?
Click here to see answer by Alan3354(69443)

Question 312449: hexagon is equal to the area of an equilateral triangle whose perimeter is 36 inches. Find the length of a side of the regular hexagon.
Click here to see answer by CharlesG2(834)

Question 312721: The area of a given hexagon is equal to the area of an equilateral triangle whose perimeter is 36in, find the length of the side of a regular hexagon
Click here to see answer by mananth(16946)

Question 313780: A regular hexagon (a 6 sided polygon with all sides and all angles equal) is inscribed in a circle of radius 1. The area of this hexagon is equal to
a (3 sqrt(2))/2 b 3 c 3 sqrt(3) d 6 e none
Click here to see answer by Alan3354(69443)

Question 314179: What is the measure of one angle of a regular 11-gon? If necessary, round to the nearest degree
Click here to see answer by texttutoring(324)

Question 314143: How many diagonals does a 12-sided regular polygon have? A regular polygon has sides of equal length and equal angles where two sides meet. A diagonal is a line which connects any two corners of the polygon, but which is not a side of the polygon.
(1) 27 (2) 35 (3) 44 (4) 54 (5) 65
Click here to see answer by scott8148(6628)

Question 314717: How many angles would a regular polygon have if each exterior angle measures 5�?

Click here to see answer by stanbon(75887)

Question 314849: The perimeter of a regular dodecagon is 57.6 cm. How long is one side?
Click here to see answer by rapaljer(4671)

Question 315238: what is the area of an equilateral triangle (regular 3-gon) with the given measurement
6-inch apothem
Click here to see answer by CharlesG2(834)

Question 315577: how do you find the area of an equilateral triangle (regular 3-gon) with the given measurementif the perimeter is 9-inch?
Click here to see answer by solver91311(24713)

Question 315582: Find the area of an equilateral triangle (regular 3-gon) with the given measurement if the radius is 6inches
Click here to see answer by solver91311(24713)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285