Question

Maths question.... I’m really bad at maths

Answer 1

200π

Explanation:

4(10)²π ÷ 2 since it is only half a sphere

400π ÷ 2 = 200π

Answer 2

Explanation:

Cylinder's Total Surface area = 3πr²

Here r=10 cm

3π10²

300π

Hope this helps you.