3 years ago

Triangle PQR is a right triangle. if PQ= 8 , what is PR?

Mathematics

1 answer:

Norma-Jean [14]3 years ago

5 0

It is 30-60-90 triangle, so:

$PR=\dfrac{PQ\cdot\sqrt{3}}{2}=\dfrac{8\cdot\sqrt{3}}{2}=\boxed{4\sqrt{3}}$

Answer B.

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