Rectangle with sides labeled 2x + 3 and x

An example figure from the Rectangle Generator.

A rectangle with its length labeled 2x + 3 and its width labeled x — A rectangle ABCD whose length AB is labeled 2x + 3 and whose width BC is labeled x, with right-angle squares at its corners. Use it for writing expressions for perimeter and area, or for solving for x given one of them.

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Answer key

Sides: AB = 13, BC = 5, CD = 13, DA = 5
Angles: ∠A = 90°, ∠B = 90°, ∠C = 90°, ∠D = 90°
Perimeter: 36
Area: 65

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