Problem 152 of 7
Use rectangle diagonal congruence in rectangle QRST with QS=3b+7 and RT=5b-1.
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apply or prove rectangle-specific result.
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Figure must be a rectangle; diagonals of a rectangle are congruent.
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Solution
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1. Identify the two rectangle diagonals.
2. Use rectangle diagonals are congruent.
3. Set expressions equal and solve if needed.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Assuming all parallelogram diagonals are congruent.