Quiz on thinking math

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15

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Which of the following is the correct formula for the area of a circle?

A=πr2A = \pi r^2A=πr2

A=2πrA = 2 \pi rA=2πr

A=πd2A = \pi d^2A=πd2

A=πrA = \pi rA=πr

Correct! Wrong!

What is the square root of 64?

2

6

8

10

Correct! Wrong!

Quiz on thinking math

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