Question

Find the area. Of shaded region abcd is a square of size14cm and apd and bpc are semi circle

Answer 1

196sq. ft.

Step-by-step explanation:

area = side × side

=14 × 14

=196sq. ft.

Answer 2

$\huge{\bf{\sf{\underline{\color{navy}{ᴀɴ}}\underline{\purple{sᴡ}}\underline{\pink{ᴇʀ}}}}}$

Ar.(shaded region) = 42 cm²

_______________________________

Given :

r = 7 cm

side of square = 14 cm

Solution :

∴ Ar.(square) = (side)²

= (14)²

∴ Ar.(square) = 196 cm²

∴ Ar.(2 semi-circle) = 2 x ½ πr²

= πr²

= ²²⁄₇ x 7 x 7

= 22 x 7

∴ Ar.(2 semi-circle) = 154 cm²

∴ Ar.(shaded region) = Ar.(square) - Ar.(2 semi-circle)

= 196 - 154

∴ Ar.(shaded region) = 42 cm²

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