©G Dear2008 – Not to be sold/Free to use Stage 4 Year 9 Trigonometry Introduction Press Ctrl-A ©G Dear2008 – Not to be sold/Free to use

Hypotenuse Adjacent Opposite Adjacent Opposite Trigonometry Click Hypotenuse Adjacent Opposite Adjacent Opposite Hypotenuse – always opposite the right-angle. Opposite – always opposite the marked angle. Adjacent – always next-to the marked angle.

Which is the Hypotenuse? Trigonometry A B C Which is the Hypotenuse? AC

Which is the Hypotenuse? Trigonometry S R Q Which is the Hypotenuse? QS

Which is the Hypotenuse? Trigonometry X Y Z Which is the Hypotenuse? XZ

Which is the Hypotenuse? Trigonometry c a b Which is the Hypotenuse? c

Which is the Hypotenuse? Trigonometry x y z Which is the Hypotenuse? x

Which is the Hypotenuse? Trigonometry q p r Which is the Hypotenuse? q

Trigonometry X Y Z Which is the Opposite? XY

Trigonometry X Y Z Which is the Opposite? YZ

Trigonometry g n m Which is the Opposite? m

Trigonometry g n m Which is the Opposite? n

Trigonometry X Y Z Which is the Adjacent? YZ

Trigonometry X Y Z Which is the Adjacent? XY

Trigonometry g n m Which is the Adjacent? n

Trigonometry g n m Which is the Adjacent? m

F α θ G H Opposite α: Adjacent α: Trigonometry F Hypotenuse : FH α θ G H Opposite α: Opposite θ : GH FG Adjacent α: Adjacent θ : FG GH

α 13 5 12 θ Opposite α: Adjacent α: Trigonometry Hypotenuse : 13 α 13 5 12 θ Opposite α: Opposite θ : 12 5 Adjacent α: Adjacent θ : 5 12