How to Prove the Pythagorean Theorem2
How to Prove the Pythagorean Theorem
Draw a trapezoid with base a+b and sides a and b.
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Divide the trapezoid into three right triangles two of which are congruent.
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Calculate the area of the trapezoid using the area formula.
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Find the area by summing the areas of the three triangles.
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Set the different area calculations equal to each other.
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