Which of the following is the hypotenuse of the triangle shown?

$BC$BC

$AB$AB

$AC$AC

Which of the following is the opposite side to angle $\theta$θ?

Which of the following is the adjacent side to angle $\alpha$α?

Use trigonometric ratios and Pythagoras’ theorem in two and three dimensions

Apply geometric reasoning in solving problems

Apply right-angled triangles in solving measurement problems