Question

This quarter circle has a radius of 7 centimeters. What is the area of this figure? Use 3.14 for pi.

Answer 1

Answer:

$area \: of \: quarter \: circle \\ = \frac{ \theta}{360 \degree} \times \pi \: {r}^{2} \\ \\ = \frac{90 \degree}{360 \degree} \times 3.14 \times \: {7}^{2} \\ \\ = \frac{1}{4} \times 3.14 \times \: {7}^{2} \\ \\ = \frac{1}{4} \times 3.14 \times \: 49 \\ \\ = 38.465 \: \: {cm}^{2}$

Answer 2

Answer:

38.47

Step-by-step explanation:

I just took the k12 test and 38.465 is wrong