A circular disc of radius 6 cm is divided into 3 sectors of 120,150,90 degrees. What part of the area of sector with centre angle 120 degree. Find the area of the 3 sectors
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Total area = πr² = 36π cm²
Area of 90° sector = 36π cm²/4 = 9π cm²
Area of 120° sector = 36π cm²/3 = 12π cm²
Area of 150° sector = 5 X 36π cm²/12 = 15π cm²
Area of 90° sector = 36π cm²/4 = 9π cm²
Area of 120° sector = 36π cm²/3 = 12π cm²
Area of 150° sector = 5 X 36π cm²/12 = 15π cm²
Anonymous:
Please answer the question correctly
What part of the area of sector with centre angle 120 degree???
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this may be ur answer......
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