### All ACT Math Resources

## Example Questions

### Example Question #1 : Triangles

An isosceles triangle has a base of and an area of . What must be the height of this triangle?

**Possible Answers:**

**Correct answer:**

Explanation:

.

### Example Question #231 : Plane Geometry

What is the height of an isosceles triangle which has a base of and an area of ?

**Possible Answers:**

**Correct answer:**

Explanation:

The area of a triangle is given by the equation:

In this case, we are given the area () and the base () and are asked to solve for height ().

To do this, we must plug in the given values for and **, **which gives the following:

We then must multiply the right side, and then divide the entire equation by 2, in order to solve for :

Therefore, the height of the triangle is .

### All ACT Math Resources

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