these numbers form an addition and subtraction fact family 1,2,3 choose the fact family formed by these numbers I got c 3-1=2 2+1=3 3-2=1 1+2=3 that's what I got

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