1.

If the surface area of a sphere is 616 sq.cm,then its radius is ?​

Answer»

Answer:

7cm

Step-by-step EXPLANATION:

SURFACE Area of SPHERE= 4πr^{2}

616= 4πr^{2}

r^{2}= 616x7/4x22

r^{2}= 49

r=\sqrt{49}

r= 7 cm



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