0
Each interior angle of a regular n-gon has a measure of 140 degrees. find n?
Wiki User
∙ 15y ago
Answer: n=9
---- Explanation:
140 degrees is the measure of each angle and the sum of the interior angle is
180(n-2)
So we have 140(n) is the sum of the n interior angles.
140n=180(n-2)
140n=180n-360
-40n=-360
n=9
Check it:
180(9-2)=1260 divide this by 9 and we have 140 as desired
Wiki User
∙ 15y ago
Add your answer:
Earn +20 pts
Each interior angle measure of a regular octagon is?
Each interior angle measures 135 degrees
What is the measure of each interior and each exterior angle of a regular nonagon?
Each exterior angle: 40 degrees Each interior angle: 140 degrees
How many degrees would each angle in a regular decagon?
Each interior angle of a regular decagon would measure 144 degrees,
What is the measure of one interior angle of a regular 18-sided polygon?
Each interior angle measures 160 degrees
What is the measure of an interior angle of a regular octagon?
1080/8 = 135 degrees
What is the measure of an angle of a regular octagon?
An interior angle of a regular octagon is 45 degrees. The exterior angles measure 315 degrees.
What is the measure of the interior angle of a regular pentagon?
Each interior angle of a pentagon is 108 degrees. 108 degrees
What is the measure of one interior angle on a regular polygon with an interior angle sum of 2160 degrees?
It will have 14 sides and each interior angle will measure 2160/14 degrees
What is the measure of an interior angle that has a regular polygon with 20 sides?
Each interior angle will measure 162 degrees
What is the interior angle measure of a regular rectangle?
90 degrees
Each interior angle measure of a regular octagon is?
Each interior angle measures 135 degrees
What is the measure of one interior angle of a regular decagon?
Each interior angle measures 144 degrees
What is the measure of a each interior angle of a regular nonagon?
Each interior angle measures 140 degrees
Measure of each interior angle of a regular nonagon?
Each interior angle measures 140 degrees
What is the measure of one interior angle of a regular 24-gon?
Each interior angle is 165 degrees
What is the measure of an angle in a regular 18-gon?
Exterior angle = 20 degrees Interior angle = 160 degrees
What is the measure of one angle in the regular octagon?
Exterior angle: 45 degrees Interior angle: 135 degrees
