SAT Practice137892dd-a025-491a-a463-42740b162c96
Practice one SAT question at a time

Questions come from the Bluebook question bank.

  • One angle is a right angle.
  • The length of the side opposite the right angle is 21.
  • The length of one side adjacent to the right angle is 6.
  • The length of the other side adjacent to the right angle is a.
  • A note indicates the figure is not drawn to scale.

For the triangle shown, which expression represents the value of a ?