OpenStax, Prealgebra 2e §9.4 Use Properties of Rectangles, Triangles, and Trapezoids · Try It 18 · Algebra · Algebra word problems

Use Properties of Rectangles, Triangles, and Trapezoids · Try It 18

The lengths of two sides of a triangular window are $7$ feet and $5$ feet. The perimeter is $18$ feet. How long is the third side?

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OpenStax, Prealgebra 2e · §9.4 Use Properties of Rectangles, Triangles, and Trapezoids · Try It 18

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