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3 years ago

12

a road sign is in the shape of a regular pentagon what is the measure of each angel on the sign round to the nearest tenth

1 answer:

yaroslaw [1]3 years ago

3 0

Answer:

Each angle is equal to 108 degrees. The internal angles of a pentagon add up to 540.

No matter what the side lengths are, so long as it is a regular pentagon, each angle will always be exactly 108 degrees.

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How do i find the volume of these similar solids? round to the nearest tenth HELP

FromTheMoon [43]

Answer:

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Step-by-step explanation:

<u><em>The question is</em></u>

If these solids are similar, find the volume of the larger solid

step 1

Find the scale factor

we know that

If two solids are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

Let

x ----> the height of the larger solid in mm

y ----> the height of the smaller solid in mm

z ---> the scale factor

$z=\frac{x}{y}$

we have

$x=4\ mm\\y=3\ mm$

substitute

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step 2

Find the volume of the larger solid

we know that

If two solids are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

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y ----> the volume of the smaller solid in in cubic millimeters

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substitute the values

$(\frac{4}{3})^3=\frac{x}{250}$

solve for x

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