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प्रश्न
Area of a quadrant of a circle of radius 7 cm is ______.
विकल्प
154 cm2
77 cm2
`77/2`cm2
`77/4`cm2
उत्तर
Area of a quadrant of a circle of radius 7 cm is `underlinebb(77/2 cm^2)`.
Explanation:
Area of Quadrant of Circle
= `θ/360 πr^2`
= `90^circ/360^circ xx 22/7 xx 7 xx 7`
= `77/2` cm2
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