If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Geometry (all content)

Unit 13: Lesson 3

Solving for a side in a right triangle using the trigonometric ratios
Math
Geometry (all content)
Trigonometry
Solving for a side in a right triangle using the trigonometric ratios
© 2023 Khan AcademyTerms of usePrivacy PolicyCookie Notice

Solve for a side in right triangles

CCSS.Math: HSG.SRT.C.8
Google Classroom
You might need: Calculator

Problem

B, C, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
Round your answer to the nearest hundredth.
A right triangle A B C. Angle A C B is a right angle. Angle A B C is thirty-five degrees. Side B C is unknown. Side A B is six units.
Stuck?
Stuck?