Question

pls tell me the solution for this

Answer 1

Answer:

heya here is your answer

d+d/2+d/2=42

therefore, d=21

now radius=10.5 cm

area of 1 semicircle= πr²=22/7 ×10.5×10.5=346.5 cm²

area of shaded region=area of 4 semicircles=346.5×4=1386 cm²

hope it helps pls mark brainliest