Question

the surface area of sphere is 154° cm².find it's area

Answer 1

Surface area of Spehre = 4πr²

154 = 4 * $\frac{22}{7}$ * r²

154*7 = 4*22 * r²
1078=88 * r²
1078/88 = r²

r = 3.5

and with radius you can find area but as i think surface area and area is same..