Pythagoras and trigonometry
0 of 10 topics done
Finding the hypotenuse
Finding a shorter side
Pythagoras' theorem in 2D
Pythagoras' theorem in 3D (optional extension)
Trigonometric ratios
Unknown side in the numerator
6Choose a trigonometric ratioOpen, set of 8START7Evaluate a trigonometric ratioOpen, set of 8START8Find an unknown side of a right-angled triangleOpen, set of 8START
Unknown side in the denominator
Finding angles with trigonometry
10Find an angle from a trigonometric ratioOpen, set of 8START11Find an angle of a right-angled triangle from two sidesOpen, set of 8START
Elevation and depression
12Angles of elevation and depressionOpen, set of 8START13Solve a practical right-angled-triangle problemOptional practice, set of 8START
Bearings and navigation