OACBO represents a quadrant of a circle of radius 7cm with centrw O if OD is 5 cm find tha area of shaded region
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Area of Shaded region = 21 cm² where OACBO represents a quadrant of a circle of radius 7cm with centre O and OD is 5 cm
Step-by-step explanation:
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Area of Quadrant OACBO = (1/4) πR²
R = 7 cm
π = 22/7
= (1/4) (22/7) 7²
= 38.5 cm²
Area of Δ OAD
= (1/2) * OA * OD
= (1/2) * 7 * 5
= 17.5 cm
Area of Shaded region = 38.5 - 17.5 = 21 cm²
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