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# Area and Perimeter of Triangles

## Area is half the base times the height while the perimeter is the sum of the sides.

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Practice Area and Perimeter of Triangles
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Perimeter of Equilateral Triangle ABC
Teacher Contributed
ABC$\triangle ABC$ is equilateral with AB=2x12$AB = -2 x -12$, and BC=3x90$BC = -3 x -90$. What is the perimeter of ABC$\triangle ABC$?
qid: 100147