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A circle has a diameter of 10 cm. What is the best approximation of its area? Use 3.14 to approximate for π . 15.7 cm² 31.4 cm² 78.5 cm² 314 cm²

A circle has a diameter of 10 cm. What is the best approximation of its area? Use 3.14 to approximate for π . 15.7 cm² 31.4 cm² 78.5 cm² 314 cm²
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A circle has a diameter of 10 cm.

What is the best approximation of its area?

Use 3.14 to approximate for π .

15.7 cm²
31.4 cm²
78.5 cm²
314 cm²

asked
User Abdul Waheed
by
8.6k points

2 Answers

3 votes

Answer:

78.5

Explanation:

answered
User Shmulik Klein
by
8.3k points
7 votes
the area= pi x radius^2

3.14 x 5^2
3.14 x 25
78.5 cm2
answered
User Patrik Fuhrmann
by
8.1k points
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