Answer:
20 sides.
Step-by-step explanation:
The exterior angle = 180 - 162 = 18 degrees.
Since the sum of the exterior angles = 360 degrees the number of sides
= 360 / 18
= 20 sides.
Answer:
105
Step-by-step explanation:
-R and C are congruent
-B and S are congruent
- That means T and A are congruent
So that means C=19 B= 56 and A= 105
remember a triangle has 180 degrees
each of those marks represent congruent figures and angles.