3 years ago

Which of the following numbers is closer to the area of a circle with a radius of 2.1

Mathematics

2 answers:

Pachacha [2.7K]3 years ago

5 0

B. 11.33 is closer to the area of a circle with a radius of 2.1

Ipatiy [6.2K]3 years ago

4 0

The answer will be C.13.85. A=πr^2, so A=π2.1^2≈13.85. As a result, the area of the circle is about 13.85. Okay, π=3.14, and r^2=2.1×2.1=4.41. Then, 4.41×3.14≈13.85 to find the area of this circle. Hope it help!

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