Just remove the ruler, set it at the angle you need, and lock it in place using the knob. There are two marking systems — imperial and metric — for easier readings. Being compact in size ...

Here are the best ruler apps and measurement apps for Android. Angle Tool is a free app for measuring angles. You simply set your phone against the wall and hit a button, then you can move your ...

Use a ruler to draw a line from the end of the line through the dot and label the angle 40°. TIP: you won't know the exact length of this new side yet so draw it a bit longer than you think you ...

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 ...