# SAT Math Multiple Choice Practice Question 347: Answer and Explanation

### Next steps

- Use your browser's back button to return to your test results.
- Do another SAT math multiple choice practice tests.

**Question: 347**

**17.** The area of a right triangle is 10 square centimeters. If the length of each leg, in centimeters, is a positive integer, then what is the *least* possible length, in centimeters, of the hypotenuse?

A.

B.

C.

D.

E.

**Correct Answer:** B

**Explanation:**

**B** Area = ?(base)(height)

The base and the height are both integers. Find all the "factor pairs" of 20: 1, 20; 2, 10; and 4, 5

Plug each pair into the Pythagorean theorem to find the least possible length of the hypotenuse:

is the shortest possible hypotenuse.