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Sloan [31]
3 years ago
5

The radius of a circle is 3 millimeters. What is the circle's area?

Mathematics
1 answer:
Nataly_w [17]3 years ago
5 0

Answer:

28.27mm³

Step-by-step explanation:

A

=

π

r

2

22/7× 3²

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<h2>Explanation:</h2>

Hello! Remember you have to write complete questions in order to get good and exact answers. Here you haven't provided any sector, so I'll help you in a general way and providing my own example.

A sector is a region of a circle between two radii. Suppose you have a central angle \theta degrees, the sector can be found as:

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Suppose that the radius of the circle is 4cm and the central angle is 90 degrees, therefor the sector is:

s=\frac{\theta}{360}\times\pi r^{2} \\ \\ s=\frac{90}{360}\times\pi (4)^{2} \\ \\ s=\frac{1}{4}\times 16\pi  \\ \\ \boxed{s=4\pi cm^2}

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