Question

Work out the area of this circle. Take to be 3.142 and write down all the digits given by your calculator. 14 cm​

Answer 1

153.958
`cm^(2)`

Explanation:

a =
`\pi r^(2)`

a = 3.142(
`7^(2)`) The radius is half of the diameter 14/2 = 7

a = 3.142(49)

a = 153.958