Question

Question below please
attached ​

Answer 1

pie/8

Explanation:

area of Square =L²=20²=20×20=400cm²

area of semicircle=1/2pie×r²=1/2×22/7×10²=1/2×pie×10×10

=pie×5×10

=50pie

so, we are to show that area of semicircle/area of Square =pie/8

so,

= 50pie/400=pie/8