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

There are two ways to construct a triangle using a ruler and a protractor. The first is a Side, Angle, Side (SAS) construction where two sides and the angle between them is known. The second is an ...

Deep in the Saudi Arabian desert, a group of robed men are peering into the sky, trying to spot the crescent moon that ...

The Saudi moon-spotting team used a large yellow triangle and protractor to help work out where the crescent moon will appear Abdullah al-Khudairi (C) takes his task so seriously that he stays ...