• # question_answer Find the surface area of a sphere of radius 7 cm. A)  616 $c{{m}^{2}}$    B)  516 $c{{m}^{2}}$        C)  590 $c{{m}^{2}}$                D)  450 $c{{m}^{2}}$

(a): surface area $=4\times \frac{22}{7}\times {{7}^{2}}$ $=88\times 7=616.$