2 years ago

I need help with this please I am very tired and need someone to do this ONE question to help if you can that will be great!

Mathematics

1 answer:

irina [24]2 years ago

4 0

Answer:

462 cu. in

Step-by-step explanation:

See attached formula

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Data:

Formula: diameter = 2*radius

Formula: (Circle length)
 $C = 2* \pi *r$

Solving: Using the data
diameter = 2*radius
20 = 2*r
2r = 20
$r = \frac{20}{2}$
$\boxed{r = 10\:ft}$

Now, replace in the circumference length formula
 $C = 2 \pi *r$
$C = 2 \pi *10$
$\boxed{\boxed{C = 20 \pi \:ft}}\end{array}}\qquad\quad\checkmark$

Answer:
The exact circumference of the circle is $20 \pi \:ft$

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