HEY YOU THERE. HELP ME(: In △PQR, what is the length of QR?
A.22sqrt3 B.11 C.11sqrt2 D.22sqrt2

Question

HEY YOU THERE. HELP ME(: In △PQR, what is the length of QR?
A.22sqrt3                                                                       B.11                                                                          C.11sqrt2                                                                    D.22sqrt2

sarahc · Answer

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anonymous · Answer

You could use the Pythagorean theorem to solve it, or the known relationship that comes from the theorem specific to 45-45-90 triangles.

anonymous · Answer

since all isosceles right triangles are similar use this fact:|dw:1336007184739:dw|