Question

Find the area of the red part of the circle below. Use 3.14 for pi. Round your answer to the nearest hundredth. Answer with a numeric value only. That is, do not include "cm^2" or "square centimeters" with your response. 9 cm

Answer 1

red part area is half of full area of circle with given radius of 9 cm. so,

$\large A = \frac{\pi r^2}{2}$

$\large A = \frac{3.14 \times 9^2}{2}$

A= 127.17 cm

so , response will be 127.17