Lemma
EasyRight triangles
#678 · Trigonometry · Right triangles

A 30-60-90 triangle

A right triangle has hypotenuse and a angle. How long is the side adjacent to the angle?

~3 minAnswer checked instantlyRight triangles
Stuck? A gentle nudge
Something off?
Workspace
Your answer
Loading the math keyboard…

Type naturally — sqrt, pi, / and ^ become notation. Any equivalent form is accepted. Press Enter to check.