Question

find the surface area of sphere of radius 8 cm​

Answer 1

Answer:

[ Having one curved surface and two plane surfaces in each identical part ,

Angle between the plane surfaces is 45° ]

Total surface area of one part = (1/8) of curved surface area of sphere + 2×Area of semi-circle.

=(1/8).4.π.r^2 + 2×(1/2.π.r^2).

=(1/2).π.r^2+ π.r^2.

=(3/2).π.r^2.

Putting. r = 8

=(3/2)×π×(8)^2. cm^2.

= 96 π cm^2. Answer

Step-by-step explanation:

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Answer 2

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