Question

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Answer 1

Answer:

The circumference is 75.36 inches.

Step-by-step explanation:

Hi there! Please take a look at the following explanation and let me know in the comment if you have any doubts!

Given:

We are given the radius that’s equal to 12 inches and π = 3.14

Problem:

We want to find the circumference.

Circumference Formula:

$\displaystyle \large{C=2\pi r}$ which simply means circumference = 2*π*radius or sometimes can also be written as $\displaystyle \large{C=\pi d}$ which means circumference = π*diameter since 2r means two times of radius and that’s technically diameter.

Step:

Determine the following:

• π = 3.14 as given
• r = 12 as given

Apply the circumference formula.

$\displaystyle \large{C=2\cdot 3.14 \cdot 12}\\\\\displaystyle \large{C = 24 \cdot 3.14}\\\\\displaystyle \large{C=75.36}$

Hence, the circumference is 75.36 inches.

Answer 2

Answer:

75.36 in^2

Step-by-step explanation:

24*3.14

=75.36 in^2