Question

8. The surface area of a sphere of radius 7cm is : A. 154 cm B. 308 cm2 2 C. 616 cm D. 770 cm?​

Answer 1

Answer:

S=4πr

2

r=7 cm

S=4× 7

22 ×49=616 cm

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$\underline{\purple{\ddot{\Mathsdude}}}$

We know that surface area of sphere

=4pi r^2

=4×22/7×7×7

=616cm^2 .

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