Question

abcd is a rectangle. with ab is 42 cm n bc is 28 two quadrants​

Answer 1

Explanation:

Area of shaded portion =

4

π42

2

+π28

2

=2002cm

2

Hence area of un-shaded portion =42×70−2002=938cm

2

Answer 2

Answer:

Area of shaded portion =

4

π42

2

+π28

2

=2002cm

2

Hence area of un-shaded portion =42×70−2002=938cm

2

solution

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