Answer:
125 degrees
Step-by-step explanation:
They are opposite angles
The answer is 70 because angle CGA is a 90° angle and it is split into two. so if one part of it is 20°. 90-20 equals 70°
Answer:
Uhm....attach the photo
Step-by-step explanation:
You could use the isosceles triangle theorems. if two sides of a triangle are congruent, then then angles opposite those sides are congruent. so if the two sides of the triangle are congruent (which they should be if it’s an isosceles triangle) then the isosceles triangle theorem proves that the base angles are congruent