Question

question no 43 please solve it

Answer 1

area grazed = area of quadrant


$area = \frac{\pi {r}^{2} }{4} \\ = \frac{22 \times 21 \times 21}{7 \times 4} \\ = 346.5$
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Answer 2

graze area=area of rectangle - area of sector

$= l \times b - \frac{\pi {r}^{2} angle}{360}$
$= 70 \times 52 - \frac{22 \times 21 \times 21 \times 90}{360}$