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

Maths question.... I’m really bad at maths-example-1
User Wu
by
5.5k points

2 Answers

6 votes

Answer:

200π

Explanation:

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

400π ÷ 2 = 200π

User Alupotha
by
5.6k points
8 votes

Explanation:

Cylinder's Total Surface area = 3πr²

Here r=10 cm

3π10²

300π

Hope this helps you.

User Peterfhannon
by
4.9k points