The sphere of radius 3.5 cm and diameter 21cm find it's surface area and volume
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Answered by
8
radius=21 cm
d =3.5/20 = 7/4cm
or, surface area = 4πr^2
SA= 4×22/7×7/2×7/2 = 38.4
volume= 4/3 πr^3
4/3 × 22/7×21×21×21=38808
d =3.5/20 = 7/4cm
or, surface area = 4πr^2
SA= 4×22/7×7/2×7/2 = 38.4
volume= 4/3 πr^3
4/3 × 22/7×21×21×21=38808
Answered by
12
Answer:
SURFACE AREA =1386
VOLUME =179.66
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