### All GRE Math Resources

## Example Questions

### Example Question #1 : How To Find The Perimeter Of An Acute / Obtuse Triangle

The obtuse Isosceles triangle shown above has two sides with length and one side length . The length of side . The length of side . Find the perimeter of the triangle.

**Possible Answers:**

**Correct answer:**

Explanation:

To solve this problem, apply the formula:

Side , side must equal

Since this is an Isosceles triangle, there must be two sides with a length of .

Thus, plug in each side lengths value to find the solution:

### All GRE Math Resources

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