Question

If the radius of a spair is 19.75 cm. find its area.​

Answer 1

Area of sphere = 4πr²

Area of sphere = 4 × 22/7 × (19.75)²

Area of sphere = 88/7 × 390.0625

Area of sphere = 88 × 55.72

Area of sphere = 4903.36 cm²

Answer 2

Answer:

let the angle of center made by the sector be 0

Step-by-step explanation:

therefore area of sector

1. $\pi$
2. r2
3. 0 by 360 3.85