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9 votes
9 votes
The diameter of a circle is 4 cm. Find its area to the nearest tenth.

User Tim Edgar
by
2.7k points

2 Answers

18 votes
18 votes

Answer:

10 cm²

Explanation:

The radius of this circle is half the diameter hence is 2cm

Area of a circle is pi multiplied by the squared radius, i.e

Area = πr²

= 22/7 × 2 × 2

= 12.57 cm²

The nearest 10th is 10

User Rogerkk
by
3.3k points
15 votes
15 votes
Pretty sure it’s 40 yep
User Ben Holness
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2.8k points