# Questions on Geometry: Polygons answered by real tutors!

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 Geometry: Polygons Solvers Lessons Answers archive Quiz In Depth

 Question 289240: Is it possible for a triangle to have sides with lengths 7 cm, 5 cm, and 11 cm? Explain your answer. Click here to see answer by vleith(2825)

 Question 289244: What is the sum of the measures of the interior angles of a 12-gon? Click here to see answer by dabanfield(803)

 Question 289428: If the interior angle of a regular polygon is 165 degrees. How many sides does it have? Click here to see answer by solver91311(16885)

 Question 290097: The diagnol of a square measure 12 feet. What is the measurement of a side of a square? Click here to see answer by dabanfield(803)

 Question 290709: how can you determine the measure of an exterior angle of a regular dodecagon Click here to see answer by Earlsdon(6287)

 Question 290766: calculate the sum of the interior angles of a convex 40-gon Click here to see answer by stanbon(57347)

 Question 290826: If each exterior angle of a regular polygon measures 90 degrees how many sides does the polygon have? Click here to see answer by Greenfinch(383)

 Question 290837: if each interior angle of a regular polygon measures 135 degrees, the polygon must be? Click here to see answer by Greenfinch(383)

 Question 290917: I am a regular polygon with all obtuse angles. i have the smallest number of sides of any polygon with obtuse angles. how many sides do i have? Click here to see answer by Edwin McCravy(8909)

 Question 291053: Find the area of the pentagon ABCDE with vertices A = (1, 2), B = (0, 0), C = (1, 4), D = (1, 5) and E = (0, 5). Click here to see answer by Alan3354(30993)

 Question 291986: What is the missing side of a polygon that has 8 on one side and 6 on the other side? Click here to see answer by nyc_function(2733)

 Question 292337: the measure of each angle of this regular polygon is 135 degrees. what is it? Click here to see answer by Alan3354(30993)

 Question 292414: what is the exterior angle measure for a regular 11-gon Click here to see answer by richwmiller(9135)

 Question 293001: It is possible for the interior angles of a regular polygon to measure 145° Click here to see answer by College Student(505)

 Question 293153: what is the perimeter of a regular decagon with sides 2.5 inches long? Click here to see answer by manas(5)

 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(57347)

 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(57347)

 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(16885)

 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(30993)

 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(30993)

 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(30993)

 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(30993)

 Question 298376: how many sides in the polygon?how much is each exterior angle Click here to see answer by JBarnum(2044)

 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(2733)

 Question 298509: What is the area of a 15-gon with a perimeter of 90ft? Click here to see answer by Alan3354(30993)

 Question 298915: I need help with number 3 and 6 only. Click here to see answer by richwmiller(9135)

 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(57347)

 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(30993)

 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(30993)

 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(30993)

 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(30993)

 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 307110: What is the measure of each interior angle for a regular pentagon? Click here to see answer by solver91311(16885)

 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(12657)

 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(57347)

 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(16885)

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