3 years ago

A metal can is a cylinder with a radius of 3 in. and a height of 6 in.

Mathematics

1 answer:

iVinArrow [24]3 years ago

5 0

Answer:

169.56

Step-by-step explanation:

54*3.14 = 169.56

this is the answer on the test

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Find the length of each arc<br> r=13 ft x=90 degrees

VladimirAG [237]

Answer:

$13\pi/2$

Step-by-step explanation:

The formula of the circumference of a circle is $2\pi r$ .

The length of an arch can be found by using the ratio of circumference to the arc.

First, find the circumference of the circle:

$2\pi *13=26\pi$

Then you find the ratio:

The length of the arc is 90/360, which is 1/4, of the circumference.

Finally, find the length of the arc:

$26\pi*1/4=(13/2)\pi$ or $13\pi/2$

I hope this helps :)

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3 years ago