Question

Calculate the area of the circle with radius 5.1 cm.

Answer 1

answer:

area=81.71 cm

Answer 2

Answer:

area of a circle is pie r^2

so 3.14/5 x5. 1 =16.014.

if use you use 22/7 as pie value than the ans may differ but since no value has been mentioned specifically we can use any value