Calculate the angle QPR. Give the answer to one decimal place. Label the sides of the triangle \(o\), \(a\) and \(h\). Next choose the correct ratio from \(s^o_h~c^a_h~t^o_a\). In the triangle the ...

If you've ever looked at the curve of a hill, the cables of a suspension bridge or the arc of a coastline and wondered, "I wonder what function would fit that line?" -- congratulations, you're a nerd.

Revise the different types of angles and rules for calculating angles. This guide includes interactive activities and a quiz. NEW: Angles in parallel lines Revise alternate, correspondent or ...