The other two angles are also 40 degrees and 140 degrees.
1260 degrees
Each exterior angle measures 40 degrees
180o - 100o - 40o= 40o=====
1260 degrees
right triangle
40 degrees
A pair of complimentary angles has a sum that measures 90 degrees. If your first angle is 40 degrees, the complement must equal 50. 90= 40+X 50=X
A 40 degree angle is the COMPLEMENT of a 50 degree angle.
The other two angles are also 40 degrees and 140 degrees.
1260 degrees
Providing that it is a regular nonagon then each exterior angle measures 40 degrees and each interior angle measures 140 degrees
It is a 9 sided nonagon and its 9 interior angles add up to 1260 degrees
Each exterior angle measures 40 degrees
180o - 100o - 40o= 40o=====
A right triangle is a triangle in which one angle is equal to 90 degrees and the remaing two angles are acute(ie., less than 90 degree). so this triangle is a right angle triangle.
An angle that measures 210 degrees is a reflex angle.