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What is the perimeter of the triangle shown on the coordinate plane to the nearest 10th of a unit? Please help.

What is the perimeter of the triangle shown on the coordinate plane to the nearest-example-1
User HanXu
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You can use the pythagorean theorem to find the side lengths. One is a straight line and it's 7 units. I'll attach a picture of what this looks like, but the side lengths of the other ones are √37 and √72. Add these up to get the perimeter → 21.568 or 21.6 units.

What is the perimeter of the triangle shown on the coordinate plane to the nearest-example-1
User Muhammad Riyaz
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