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Find the surface area of a sphere of rad...

Find the surface area of a sphere of radius 7 cm.

Text Solution

Verified by Experts

The correct Answer is:
616 `cm^(2)`
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Knowledge Check

  • Total surface area of a hemisphere with radius 7 cm is ……… cm^(2) .

    A
    231
    B
    115.5
    C
    462
    D
    154

  • Rate of increase in surface area of a sphere w.r.t radius is ……….

    A
    `8pi` (diameter)
    B
    `3pi` (diameter)
    C
    `4pi` (diameter)
    D
    `8pi` (radius)

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    Find the surface area of a sphere of diameter : (i) 14 cm (ii) 21 cm (iii) 3.5 m

    Find the total surface area of a hemisphere of radius 10 cm. (Use pi=3.14 )

    Find the volume and the total surface area of a hemisphere of radius 3.5 cm . (pi= (22)/(7))

    Find the total surface area of a hemisphere of radius 10 cm . (use pi =3.14

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