Solve Geometry Applications: Triangles, Rectangles, and the Pythagorean Theorem · Exercise 20
Solve using triangle properties.
One side of a triangle is three times the shortest side. The third side is three feet more than the shortest side. The perimeter is 13 feet. Find the lengths of all three sides.
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OpenStax, Elementary Algebra 2e · §3.4 Solve Geometry Applications: Triangles, Rectangles, and the Pythagorean Theorem · Exercise 20
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