Question

find the area of a circle whose radius is 7 cm.
a) 154cm2
c) 3.14 x49 cm2
b)491 cm2
d) all of these​

Answer 1

Answer:

a) 154cm2

Step-by-step explanation:

area of a circle=pie*r2

r=7and pie=22/7

so, 22/7*7*7

22*7=154

so, area of circle is 154cm2

Answer 2

Answer:

find the area of circle whose radius is 70cm

a) 154 cm2