the radius of the sphere whose sueface area is 314cm2
fill in the blanks
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the radius of the sphere whose sueface area is 314cm2
fill in the blanks
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Answer:
surface area=314cm
2
⇒ 4πr
2
=314
⇒ 4×3.14×r
2
=314
⇒ r
2
=
4×3.14
314
=
4×314
314
⇒ r
2
=25
⇒ r=5cm
Radius → 5cm
Step-by-step explanation:
CSA of sphere → 4πr^2
4πr^2 = 314 cm^2
4×3.14×r^2 = 314
4×r^2 = 314/3.14
4r^2 = 100
r^2 = 25
r = 5cm
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