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Typesetting math: 100%

# 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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Geometry Perimeter, Circumference, Area, Surface Area, Volume

Perimeter of Equilateral Triangle ABC
Teacher Contributed
ABC$\triangle ABC$ is equilateral with AB=5x+5$AB = -5 x + 5$, and BC=2x+83$BC = -2 x + 83$. What is the perimeter of ABC$\triangle ABC$?
qid: 100147