Answer:
Step-by-step explanation:
c
Answer:
For a circle.
Step-by-step explanation:
A=πr^2
Answer: they are both the same fraction
Answer:
for second question
first length is 9cm
Area=l*b
= 9cm *9cm
=81<em><u>cm</u></em>
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
Yes, yes it is; well done.
