Question

In which of the following cases angle A a and Angle B are the interior opposite angle and angle D is an exterior angle of triangle ABC
Angle A =65°, angle B=25°angle D=100°

Answer 1

Answer:

answer is 10°

Sum of interior angles = exterior angle

65°+25° +x (let)= 100°

x=100°-65°-25°

x= 10°