Questions on Geometry: Polygons answered by real tutors!

Tutors Answer Your Questions about Polygons (FREE)

Question 579516: How do you put (n-2)times 180 degrees in words?
Click here to see answer by Edwin McCravy(8909)

Question 578709: In a convex n-gon, the sum of all angles except one angle is 2270 . find the number of sides of n-gon .
Click here to see answer by richard1234(5390)

Question 580211: if the measure of a regular polygons interior angles is 156 degrees, how many sides does the polygon have?
Click here to see answer by Alan3354(30993)

Question 580179: I know that the equation to find the sum of the measures of the angles for a regular polygon is
(180)N-360 when N=Number of sides. But I do not understand why.
Why do you multiply N by 180 then subtract 360.
Thanks.
Click here to see answer by Alan3354(30993)

Question 580226: what is the sum of the measures of the interior angles of a regular 72-gon?
Click here to see answer by stanbon(57387)

Question 580521: How many triangles are formed by the diagonals from one vertex of a regular octagon? I know the answer is 6 but why isnt it 8?
Click here to see answer by jim_thompson5910(28598)

Question 580659: what is the measure of each exterior angle of a regular 56-gon?

Click here to see answer by Alan3354(30993)

Question 580762: For the following regular n-gons, give the measure of a vertex angle, a central angle, and an exterior angle for 12-gon?

Click here to see answer by stanbon(57387)

Question 581522: How many different ways can you find the area of a regular octagon with all sides equal to 3 meters? Describe each method and use it to find the area. Are the answers the same? Should the answers be the same?
Click here to see answer by richard1234(5390)

Question 583024: Find the measure of one interior angle of a regular polygon with eight sides.

Click here to see answer by Alan3354(30993)

Question 583230: what is the name of the polygon that has three flat sides and one pointed side like a pentagon? it kind of looks like a house.
Click here to see answer by solver91311(16897)

Question 583712: The sum of the measures of the interior angles of a polygon is 900 degrees. Exactly how many sides does the polygon have?
Click here to see answer by solver91311(16897)

Question 584128: if two corresponding sides of two similar polygons are 8 and 16. find the ratio of their areas and perimeter?
Click here to see answer by Alan3354(30993)

Question 584224: one exterior angle of a regular polygon measures 10 degrees what is the measure of each interioir angles ? how many sides does the polygon have ?
Click here to see answer by Alan3354(30993)

Question 584491: The sum of the interior angles of a regular polygon is 7560 degrees. Find the following:
The number of sides is:
The measure of each interior angle is:
The measure of each exterior and central angle is:
How would I solve this? I know how to solve it if I know the # of sides but not when it only gives you the sum of all of the interior angles.
Click here to see answer by scott8148(6628)

Question 584907: What is the sum of the measures of the interior angles in a 74-gon?

Click here to see answer by solver91311(16897)

Question 585048: what do the exterior angles of a 12 sided polygon add up to?
Click here to see answer by stanbon(57387)

Question 585048: what do the exterior angles of a 12 sided polygon add up to?
Click here to see answer by Alan3354(30993)

Question 585076: what would the perimeter of a pentagon with each side being -3x+9 inches.... im stumped and cant remember how to do this for the life of me
Click here to see answer by richwmiller(9143)

Question 585120: find the measures of an interior angle and an exterior angle of a regular triangle
Click here to see answer by richwmiller(9143)

Question 585120: find the measures of an interior angle and an exterior angle of a regular triangle
Click here to see answer by Alan3354(30993)

Question 585379: What is the perimeter of a square with an area of 169 square centimeters?
Click here to see answer by jim_thompson5910(28598)

Question 586012: Find the value of n for regular n-gon described. Each interior angle of the regular n-gon has a measure of 156 degrees.
Click here to see answer by jim_thompson5910(28598)

Question 586312: Find the measure of one interior angle of a regular polygon with eight sides.

Click here to see answer by solver91311(16897)

Question 586382: The interior angles of a polygon equal 360°. How many sides does this polygon have?
Click here to see answer by solver91311(16897)

Question 586959: i need help with solving polygons.
Click here to see answer by Alan3354(30993)

Question 587494: what is the perimeter of a regular hexagon with a side that is 15cm ?
Click here to see answer by solver91311(16897)

Question 587640: Each interior angle of a regular is 120 more than each of the exterior angles. How many sides has it?
Click here to see answer by stanbon(57387)

Question 587759: Find the area of a regular 11-gon with side 4 cm?
Click here to see answer by Edwin McCravy(8909)

Question 588534: As the number of sides of a convex polygon increase, the sum of the measures of the interior angles _________.
Click here to see answer by stanbon(57387)

Question 588696: If each interior angle of a regular polygon contains 162º, find the number of sides of the polygon.
Click here to see answer by Alan3354(30993)

Question 588826: Is it true or false that if you have a figure with an eight square are than it must have four-teen sides?

Click here to see answer by richard1234(5390)

Question 590238: I need to use the ratio of similarity to find the perimeter of the larger polygon and round to the nearest whole number. Question- 1. The ratio of similarity is 1:4
The polygon is a small trapezoid. At the top it has the #5 and on both sides #6 and the base is 7. I have to find the similarity for the biggest polygon. I don't get the question at all and my book doesn't show how to solve this problem. .I hope the question was detailed enough.
Click here to see answer by stanbon(57387)

Question 590502: Find the number of sides in a regular convex polygon where each interior angle measures 144 degrees
Click here to see answer by Alan3354(30993)

Question 590882: Find the area of the regular polygon. Give the answer to the nearest tenth.
pentagon with side 10 cm
Click here to see answer by ad_alta(240)

Question 591647: what is the complete angle degree for a nongon?
Click here to see answer by Alan3354(30993)

Question 591961: Hi! I need help on finding the area and apothem of a quadrilateral. The radius is 8sqrt2. Im sorry if that is not enough of information.
Click here to see answer by solver91311(16897)

Question 592264: What is the measure of an exterior angle of a regular 15-gon?
and
What is the sum of the exterior angles of a 32-gon?
and
If an exterior angle of a regular polygon is 15 degrees, how many sides does the polygon have?
Click here to see answer by Alan3354(30993)

Question 592813: if the measure of an interior angle of a regular polygon is 180, find the measure of slides of the polygon.
Click here to see answer by Alan3354(30993)

Question 593322: A stop sign is a regular octogon. Each side of the sign is 12.6 in long. The area of the stop sign is 770 in squared. What is the length of the apothem to the nearest whole number. Show Your Work.
Click here to see answer by Edwin McCravy(8909)

Question 593664: Find the area of the regular polygon. Give the answer to the nearest tenth.
pentagon with a side of 6 m
Click here to see answer by Alan3354(30993)

Question 593828: How do you find the area of a regular polygon?
Click here to see answer by Alan3354(30993)

Question 593826: What is the slope of a binomial 2x+3?
Click here to see answer by Alan3354(30993)

Question 593823: How to find the area of a regular polygon, it is a triangle with side measuring 6 inches?
Click here to see answer by Alan3354(30993)

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