EREnlistReadyASVAB & Army CareersOpen web app

Mathematics knowledge · Difficulty 3

Try this ASVAB-style question.

Choose your answer before opening the explanation. This original practice item is for preparation and does not reproduce an official test question.

Question

A right triangle has legs 9 and 12. What is the hypotenuse?

  1. 17
  2. 12
  3. 20
  4. 15
Reveal answer and explanation

15

This is a scaled 3-4-5 right triangle, so the hypotenuse is 5 × 3 = 15.