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LUCKY_DIMON [66]
4 years ago
11

Given that the measurement is in centimeters, find the area of the circle to the nearest tenth.(Use 3.14 for n) Radius is 3

Mathematics
2 answers:
sweet [91]4 years ago
8 0

Answer:

The area of the circle is equal 28.3 cm² to the nearest tenth.

Step-by-step explanation:

To find the area of the circle that has a radius of 3, we will simply use the formula;

Area of a cirle = π r²

where π is a constand and r is the radius.

From the question given π = 3.14   and r=3

We can now proceed to insert the value into the formula;

Area of a cirle = π r²

                        =3.14×3²

                         =3.14×9

                           =28.26

                            ≈28.3 cm²

Therefore, the area of the circle is equal 28.3 cm² to the nearest tenth.

Allisa [31]4 years ago
7 0
Hi,
The answer is a)18.9 cm2
How I got my answer:
circumference=2*π<span> *r
circumference=2*3.14*3
=18.84cm2=rounded to the nearest tenth=18.8cm2
The closest answer is 18.9cm2
Hope this helps you.</span>
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