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प्रश्न
The total surface area of a hemisphere of radius 7 cm is
विकल्प
(588π) cm2
(392π) cm2
(147π) cm2
(98π) cm2
उत्तर
(147π)cm2
Radius of the hemisphere =7 cm
Total Curved surface area of hemisphere + Area of the circle = 3πr2
= (3π × 7 × 7 ) cm2
= (147 π) cm2
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