Answer:
b
Step-by-step explanation:
trust me my guy ik this is ez
It might be d but i’m not sure
Answer:
Goodluck I had this before and couldn't get it
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°