Find the radius of a sphere whose surface area is 2,826 cm2
.
Surface area of a sphere = ___________________ …(Formula)
∴ 2826 = 4 × 3.14 × r2
∴ r
2
=
ଶ଼ଶ
___
∴ r
2
= ________
∴ r = ________
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i am not able to understand your question
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Answer:
Step-by-step explanation:
Surface area of sphere= 2826
4πr2=2826
4×3.14×r2=2826
12.56×r2=2826
r2=2826/12.56
r2=225
r=√225
r=15cm
volume of sphere=4/3πr3
=4/3×3.14× (15)3
4/3×3.14×3375
=42390/3
= 14130cm3.
#Pari here...
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