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How to find the value of x so the polygons have the same perimeter

How to find the value of x so the polygons have the same perimeter-example-1

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How to find the value of x so the polygons have the same perimeter-example-1
User Alex Dong
by
7.9k points
4 votes

Answer:

x=4

Explanation:

The perimeter´s formula for this kind of polygons is

The triangle perimeter would be:

(x+2)+(x+3)+(x+3)

And the rectangle:

(x+2)+(x+2)+x+x

For them to have the same value, we should equal them:

(x+2)+(x+3)+(x+3)=(x+2)+(x+2)+x+x

Working with this:

3x+8=4x+4

x=4

User Goodmami
by
8.4k points