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Sunny_sXe [5.5K]
3 years ago
11

a circle has a diameter of 10cm what is the best proximation of this area use 3.14 to approximate for pi

Mathematics
2 answers:
Hunter-Best [27]3 years ago
5 0
The meaning of the area is the measurement of a surface in this case a circle, which can be find by using the formula A=<span>πr^2, where r is equal to the radius of the circle.

On this exercise is given that a circle has a diameter of 10cm and it is asked to find its area, as previous said the only way to find the area of a circle is to use the formula A=</span><span>πr^2, but on this case the radius is not given. As result you have to divide the measurement of the diameter by two, and the number found represents the radius.

10cm/2= 5cm      The radius of the circle is 5cm.

Now that the radius is known you can substitute the values in the formula to find the area of the circle.

A=</span><span>πr^2
</span><span>A=(3.14)(5)^2
A=(3.14)(25)
A=78.5 cm^2

The area of the circle is 78.5 square centimeters.


</span>
hammer [34]3 years ago
4 0
Hello!

The answer would be 75.8^{cm2}

Hope this helped!
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