Question

please solve this sum​

Answer 1

Answer:

AREA OF SHADED PORTION = 470.66 SQUARE CM.

Step-by-step explanation:

$r = \sqrt{ {12}^{2} + {5}^{2} } \\ \\ = 13 \: cm \\ \\ area \: of \: rectangle = 12 \times 5 \\ \\ = 60 \: \: \: {cm}^{2} . \\ \\ area \: of \: circle = \pi {r}^{2} \\ \\ = 3.14 \times {13}^{2} \\ \\ = 3.14 \times 169 \\ \\ = 530.66 \: \: {cm}^{2} . \\ \\ area \: of \: shaded \: = \: area \: of \: circle - area \: of \: rectangle \\ \\ = 530.66 - 60 \\ \\ = 470.66 \: \: \: {cm}^{2} .$