INTERACTIVE GEOMETRY

Trigonometry

Explore SOH CAH TOA and Pythagoras with a triangle you can move.

4 interactive activities

● Opposite● Adjacent● Hypotenuse

Drag the pink vertex B to reshape the triangle. The right angle stays at C.

RIGHT-ANGLED TRIANGLES

Trigonometry Explorer

Choose an activityReference angle θ

Ratio to explore

Reshape the triangle Resize the triangle

Investigate

Angles are in degrees. Displayed lengths are rounded; practice answers use the displayed givens.