Save guides, add subjects and pick up where you left off with your BBC account. There are two ways to construct a triangle using a ruler and a protractor. The first is a Side, Angle, Side (SAS ...

Keep the construction lines when you draw them as they are evidence that you have constructed the triangle correctly.

Well, you’d better dust off your protractor because the most traditional ... With two angles and the length of one side of the “triangle”, you can then bung all those numbers into a few ...