Question

area of shaded portion
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Answer 1

Answer:

area of square -are of a circle of radius 5 cm

Step-by-step explanation:

100-3.14×25

21.5

Answer 2

Answer:

$area \: = side {}^{2} - 4( \frac{\pi \: r {}^{2}90 }{360} ) \\ 10 {}^{2} - 4( \frac{3.14 \times 5 \times 5 \times 90}{360}) \\ = 100 - 4( \frac{3.14 \times 25}{4} ) \\ = 100 - 3.14 \times 25 \\ = 100 - 78.5 \\ = 21.5 \: answer$