### All ACT Math Resources

## Example Questions

### Example Question #1 : Trapezoids

Trapezoid A and Trapezoid B are similar. The bases of Trapezoid A are and . Trapezoid B has a smaller base of . How long is the larger base of Trapezoid B?

**Possible Answers:**

**Correct answer:**

Explanation:

Because the two trapezoids are similar, the ratio of their bases must be the same. Therefore, we must set up a cross-multiplication to solve for the missing base:

, using as the variable for the missing base.

Therefore, the length of the longer base of Trapezoid B is .

Isabella

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Kirill

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Moscow Institute of Physics and Technology, Master of Science, Physics. Washington State University, PHD, Physics.

### All ACT Math Resources

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