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°
-11/12 +5/12 = - 6/12= - 1/2
Answer:
13(b-1)
Step-by-step explanation:
I think it the right one
Answer:
sin = opposite/hypotenuse
Step-by-step explanation:
16/20
Answer:
77.75
Step-by-step explanation:
78-.25=77.75
