Question

ABCD is a parallelogram a semicircle with centre o and diameter ab has been drawn and it passes through d if ab is equal to 12 cm and OD perpendicular to a b then find the area of the shaded region find

Answer 1

Area of Shaded region = 43.74 cm²

Step-by-step explanation:

AB = Diameter = 12 cm

OD = Radius = 12/2 = 6 cm

Area of Parallelogram ABCD

= AB * OD

= 12 * 6

= 72 cm²

Area of ODB  = ( 90°/360°) π R²

= (1/4) (3.14) * 6²

= 28.26 cm²

Area of Shaded region = 72 - 28.26

= 43.74 cm²

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