### All SAT Math Resources

## Example Questions

### Example Question #1 : Parallelograms

ABCD is a parallelogram. BD = 5. The angles of triangle ABD are all equal. What is the perimeter of the parallelogram?

**Possible Answers:**

**Correct answer:**

Explanation:

If all of the angles in triangle ABD are equal and line BD divides the parallelogram, then all angles in triangle BDC must be equal as well.

We now have two equilateral triangles, so all sides of the triangles will be equal.

All sides therefore equal 5.

5+5+5+5 = 20

Lynne

Certified Tutor

Certified Tutor

Bridgewater State University, Bachelor in Arts, Mathematics. Northeastern University, Master of Science, Mathematics.

### All SAT Math Resources

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