Find the perimeter of the polygon

Mathematics

1 answer:

pychu [463]3 years ago

6 0

Answer:

Answer 60

Step-by-step explanation:

The distance from an exterior point to the incircle is equal to the tangent length in both cases.

So the 19 is made up of 9 and 10.

The length of the other portion of the tangent from the end of 19 to the tangent point on the right is also 10.

By a similar argument the lower length of the line to the tangent point is 11.

So you have

9 + 9 + 10 + 10 + 11 + 11

18 + 20 + 22 = 60.

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A doormat has an area of 223 square feet. 23 of the mat is green. What is the area of the green part of the doormat?

monitta

The area of the mat is the amount of space it occupies

The area of the green part of the doormat is 148.67 square feet

<h3>How to determine the area</h3>

The given parameters are:

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The area of the green part is the product of the proportion of the green part by the area of mat

So, we have:

$Green = \frac 23 * 223$

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Green = 148.67

Hence, the area of the green part of the doormat is 148.67 square feet