1.

In a triangle POR, if PQ = 6cm,OR= 6√3, PR = 12cm,Q=?​

Answer»

ANS:

it is an 30 60 90 triangle

side OPPOSITE to 30=x

x=6

side opposite to 60=√3x

√3x=6√3

side opposite to 90=2x

2x=12

therefore

Q=90°



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