Questions on Geometry: Polygons answered by real tutors!

Tutors Answer Your Questions about Polygons (FREE)

Question 593920: How do you find the sum of the measures of the interior angles of a convex 24-gon?
Click here to see answer by jim_thompson5910(28598)

Question 594049: If I am given the measure of an exterior angle of a regular polygon, how do I find the number of sides?
For example: the measure of an exterior angle is 30
-how do I find the number of sides?
Click here to see answer by scott8148(6628)

Question 594096: Please HELP Me! I have a coordinate proof problem with isoceles trapezoid. It is on a coordinate plane with the longest side facing up. the bottom leftcorner is S with points of(a,0) the bottom right is T with points of (b,0) The top RIGHT is W (?,c) The top LEFT is touching the y axis and is Y with (?,?)Find the question marks. P.S. the S and T Points are also touching the x axis HELP!!! PLEASE!!!
Click here to see answer by Edwin McCravy(8918)

Question 593824: Can you explain theorem 8-1 in geometrey?
Click here to see answer by richard1234(5390)

Question 594437: The lengths of the sides of convex quadrilateral ABCD are 5, 6, 7, and x. if sinA = sinB = sinC = sinD, what are all possible values of x?
Click here to see answer by AnlytcPhil(1278)

Question 594461: how do u find the area of a polygon with all right angles
Click here to see answer by scott8148(6628)

Question 595652: Is it possible to have a polygon whose sum of the interior angles is 500?

Click here to see answer by math-vortex(472)

Question 595743: how to find the value of x for a pentagon
Click here to see answer by Alan3354(30993)

Question 596034: if the measure of an exterior angle of a regular polygon is 120 degrees how many sides does the polygon have?
Click here to see answer by jsmallt9(3296)

Question 596225: To the nearest degree, what is the measure of each exterior angle of a regular hexagon?
Click here to see answer by richard1234(5390)

Question 596419: How do you find the measure of one side of a hexagon with the diameter being 40 inches
Click here to see answer by Alan3354(30993)

Question 596476: If a regular polygon measures 36 degrees than how many sides does the polygon have?
Click here to see answer by Alan3354(30993)

Question 596945: a regular 15-gon has a perimeter of 90ft. find its area.
Click here to see answer by solver91311(16897)

Question 597182: One angle of a polygon has 140 degrees and the rest are each 40 degrees smaller. Find the number of sides of the polygon.
Click here to see answer by solver91311(16897)

Question 597182: One angle of a polygon has 140 degrees and the rest are each 40 degrees smaller. Find the number of sides of the polygon.
Click here to see answer by Alan3354(30993)

Question 597423: Calculate the number of sides of a regular polygon in which the exterior angle os one - fifth of the interior angle. Please show working.
Click here to see answer by stanbon(57412)

Question 597623: what is the measure of a 5 sided equiangular polygon ?
Click here to see answer by Alan3354(30993)

Question 597728: Calculate the area of a polygon. 39in, 42in, 48in, and 32 in.

Click here to see answer by jim_thompson5910(28598)

Question 598042: A polygon has n sides.If one of its interior angles is 84° and the other interior angles are each equal to 156°,find the value of n.
Click here to see answer by Edwin McCravy(8918)

Question 598407: A regular nonagon has an area of 121m^2. A similar nonagon has an area of 64m^2. What is the ratio of the sides of the larger nonagon to the smaller nonagon?
Click here to see answer by richard1234(5390)

Question 599488: In a regular polygon, each central angle measures 15 degrees. How many sides does the polygon have?
Click here to see answer by Alan3354(30993)

Question 599549: If the measure of an exterior angle of a regular polygon is 72°, what type of polygon is it?
Click here to see answer by Alan3354(30993)

Question 600009: in an n-sided polygon, two angles are right angles and each of the remaining angles is 150 degrees, find the value of n?
Click here to see answer by htmentor(789)

Question 600014: three people makori, ondiek and mosomi contributed money to start a business, makori contributed a quarter of the total amount and ondiek two fifth of the remainder. mosomi contribution was one and a half times that of makori. they borrowed the rest of the money from the bank which was 60,000 less than mosomi's contribution. find the total amount required to start a business?

Click here to see answer by josmiceli(9697)

Question 600010: find the area of a regular octagon of sides 4cm to 5 significant figures?
Click here to see answer by Alan3354(30993)

Question 600309: Find the measure of one exterior angle of a regular polygon that has 21 sides. Round your answer to one decimal place.
Click here to see answer by w_parminder(53)

Question 600755: Describe one way to find the measure of an interior angke of a regular 32 sided polygon.
Click here to see answer by Alan3354(30993)

Question 600258: Hi! i have a equilateral triangle with a "radius"(not sure why they said it that way, i think it means the distance from the center to the point) of 6. I need to find the area and perimeter of the triangle from this information. Thanks for your time
Click here to see answer by richard1234(5390)

Question 601765: Find The Indicated Measures of an Interior Angle and an Exterior Angle of the Indicated regular Polygon :
Regular 15-gon , Regular 20-gon , Regular 30-gon , Regular 36-gon
Click here to see answer by Alan3354(30993)

Question 602117: If I know the polygon to get the number of diagonals I can use the formula n(n-3)/2 where n=the number of sides of the polygon. How can I find the polygon when I know the number of diagonals that can be drawn inside? ex. Which polygon has 20 diagonals that can be drawn inside? Is there a formula for this question?
Click here to see answer by jim_thompson5910(28598)

Question 602430: as the number of sides increases, the measure of each interior angle what?
Click here to see answer by jim_thompson5910(28598)

Question 602491: When finding the perimeter of a regular polygon, will you get the same answer if you add each side as when you multiply the length of one side by the total number of sides?? '
PLEASE EXPLAIN!!!!!@
Click here to see answer by ewatrrr(10682)

Question 603667: How many degrees are in a 20 sided figure?? would u take 180x180 20 times or what do I do?? I need some help on my math.'

Thank you :)
From Rosie Jenkins.

Click here to see answer by Alan3354(30993)

Question 605903: if 90 degrees the exterior angle of the regular n-gon. then what is the value of n?
Click here to see answer by Alan3354(30993)

Question 605914: how to find the angle measures of a polygon?
Click here to see answer by solver91311(16897)

Question 606903: how many lines of symmetry does a pentagon have?
Click here to see answer by solver91311(16897)

Question 606903: how many lines of symmetry does a pentagon have?
Click here to see answer by stanbon(57412)

Question 606722: 9x=(4x+37)?
Click here to see answer by asuar010(324)

Question 608575: WHAT IS THE SQ FEET OF A 36" WIDE X 18" TALL HEXAGON
Click here to see answer by solver91311(16897)

Question 610678: how many sides are there if each interior angle has 108 degrees
Click here to see answer by radh(108)

Question 611010: what is a polygon
Click here to see answer by richwmiller(9143)

Question 611035: if a polygon has 33 sides, what is
1- The sum of the measures of the angels of the polygon?
2- The sum of the measures of the exterior angels, one per vertex, of the polygon?
(it would be really nice of u , if u can help me , thank u )

Click here to see answer by solver91311(16897)

Question 612163: Find the measrue of an angle in each polygon if the polygon is regular. Round to the nearest tenth of a degree if necessary.
1. dodecagon (12-sided)
2. 14-gon
3. 18-gon
4. 36-gon
Click here to see answer by Alan3354(30993)

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