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OpenStudy (anonymous):
1. Why are the formulas for the area of a rectangle and the area of a parallelogram the same? 2. What is the fixed side-length ratio of the three sides of a 45-45-90 triangle? What is the fixed side-length ratio of three sides of a 30-60-90 triangles?
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OpenStudy (anonymous):
because rectangle is a type of parallelogram 1:1:root(2) 1:root(3):2
OpenStudy (anonymous):
Thank you!!
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