Q1 of 46 Page 61

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If the radius of a circle is 7 m, then the area of the semicircle is _______

Area of a semi-circle



= 77 m2

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1

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Area of a semicircle is ________ times the area of the circle.

 1

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Perimeter of a semicircle is ________

 1

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If the area of a circle is 144 cm2, then the area of its quadrant is _______

 1

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The perimeter of the quadrant of a circle of diameter 84 cm is _______