No solution simply because the expression cannot be solved with rational numbers
I believe it would be the 3rd one.
Answer:
is it for a test or something
Step-by-step explanation:
Answer:
D. 50
Step-by-step explanation:
a = 90° (angle subtended in semicircle)
a + c + 40° = 180° (by angle sum postulate of a triangle)
90° + c + 40° = 180°
c + 130° = 180°
c = 180° - 130°
c = 50°
The answer is b with the angles
