If ABCD is a square of side 14 cm and APD and BPC are semicircles.
How can I solve this question which is from NCERT class 10 chapter 12. Can you provide me video explanation for this question?
Page No. 235
Exercise 12.3
Question No. 3
Find the area of the shaded region in Figure.
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Side of square is 14 cm, therefore, the radius of semicircle is 7 cm.
Area of semicircle
= 1/2 × πr² = 1/2 × π(7)² = 1/2 × 22/7 × 7 × 7 = 77 cm²
Area of square
= (side)² = (14)² = 196 cm
Area of shaded region = Area of square – Area of two semicircles
= 196 – 2 × 77 = 196 – 154 42 cm²
See this video explanation 😎👇