Question

Work out the area of this quarter circle of radius 8 cm.
Give your answer in terms of pie .

Answer 1

`16\pi \: {cm}^(2)`

Explanation:

`A = (90 \degree)/(360 \degree) * \pi ({8})^(2) \\ \\ A = (1)/(4) * \pi * 64 \\ \\ A = (1)/(4) * 64\pi \\ \\ A =16\pi \: {cm}^(2)`