Question

Find the area of circle whose radius :
a.) 7cm
b.) 3.5 cm
c.) 49 cm​

Answer 1

Answer:

a) 153.86cm²

b) 38.465cm²

c) 7539.14cm²

Step-by-step explanation:

a.) r= 7cm

πr²= 3.14×7×7

= 153.86 cm²

b.). r= 3.5cm

πr² = 3.14×3.5×3.5

= 38.465 cm²

c.). r= 49cm

πr² = 3.14×49×49

= 7539.14 cm²