Ask a New Question

Question

1. the sum of the interior angle measures of a convex dodecagon.

2. the measure of each interior angle of a regular 20-gon
11 years ago

Answers

Reiny
dodecagon --- 12 sides

It must be regualar, that is, all sides must be equal and all 12 interior angles are equal.

sum = 180(n-2)
so each angle = 180(n-2)/n

for 12 sides:
each angle = 180(12-2)/12 = 150°

you do the one with 20sides
11 years ago
anonymous
162
11 years ago
Reiny
correct
11 years ago

Related Questions

If the sum of the interior angles of a regular polygon is 1620 degrees. How many sides does the poly... If the sum of the interior angles of a polygon is 900°, then how many sides does the polygon have?... If the sum of the interior angle of a polygon is 720°, then how many sides does the polygon have? A.... If the sum of the interior angles of a polygon is 900°, then how many sides does the polygon have?... If the sum of the interior angles of a polygon is 1080 degrees, then how many sides does the polygon... If the sum of the interior angles of a polygon is 1080 degrees, then how many sides does the polygon... if the sum of the interior angles of a polygon is 1080 then how many sides does the polygon have if the sum of the interior angles of a polygon is 1800 degrees, how many sides does it have? If the sum of the interior angles is 1,080, how many sides does the polygon have?
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use