Pls help me with this lol

a) 42

b) 23

F) 115

Step-by-step explanation:

First, find the angles that are missing in triangle CD1F. (D1 being the inside angle of the triangle)

D1 make a line with 157 and results in 180.

Therefore, 180 - 157 = 23

Now you can find F, 180 - 42 - 23 = 115

A and C are vertical opposites and have the same angle, so 42.

B = 180 - 115 - 42 = 23

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

step-by-step explanation: