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What is the area of a circle that has a radius of 12 units? Use [tex][tex]$\pi=3.14$[/tex][/tex].

A. 235.7 square units
B. 144.48 square units
C. 153.86 square units
D. 452.16 square units

Sagot :

GinnyAnswer
To find the area of a circle, you use the formula:

[tex]\[ \text{Area} = \pi \times \text{radius}^2 \][/tex]

Given:
- Radius [tex]\( r = 12 \)[/tex] units
- [tex]\(\pi = 3.14\)[/tex]

Now, plug the given values into the formula:

[tex]\[ \text{Area} = 3.14 \times (12)^2 \][/tex]

Calculate [tex]\( (12)^2 \)[/tex]:

[tex]\[ (12)^2 = 144 \][/tex]

Then multiply by [tex]\(\pi\)[/tex]:

[tex]\[ \text{Area} = 3.14 \times 144 = 452.16 \][/tex]

So, the area of the circle is [tex]\( 452.16 \)[/tex] square units.

Among the options provided:
- 235.7 square units
- 144.48 square units
- 153.86 square units
- 452.16 square units

The correct answer is [tex]\( \boxed{452.16} \)[/tex] square units.
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