Find the value of x.
A.5
B. 40
C. 45
D. 20​

(B) x = 40

Step-by-step explanation:

4x + 20 = 180

4x = 160

x = 40

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

u also answered this so i think u would know but i am here to

put in or use mine