find the surface area of sphere of
1.radius 10.5cm
2.diameter 14cm
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hey mate here's your answers:
(I) radius = 10.5 cm
surface area of a sphere =4pir²
22/7 x 4 x 10.5 x 10.5
therefore the s. a of the sphere having radius 10.5 am is 14,112cm²
(ii) diameter= 14 cm
radius. = 7cm
surface area of the sphere = 4pir²
22/7 x 4 x 7 x 7
= 616 cm²
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