Question

Please help! Brainliest and 5 star given

Answer 1

Answer:

for second question

first length is 9cm

Area=l*b

= 9cm *9cm

=81cm

then, For semicircle

radius is 9 cm

area= 1/2*9cm

now , area of two semi circle = 2*1/2*9

= 9 cm

now area of shaded = 81-9

=72