How to find the perimeter of an acute / obtuse triangle

Practice Questions

GRE Quantitative Reasoning › How to find the perimeter of an acute / obtuse triangle

Questions

Isos._cont._gre

The obtuse Isosceles triangle shown above has two sides with length and one side length . The length of side $\small a=$ $\small 9$ . The length of side $\small b=3a$ . Find the perimeter of the triangle.

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