Unlocking the full potential of iPhone photography involves more than just pointing and shooting, there are a number of things to take into account to take great iPhone photos. It’s about diving deep ...

Click to see a step-by-step slideshow. STEP 2: Label the angle you know and colour in the angle arc. Colour in the opposite angle in the same colour, and the other two angles in a different colour.

Polygons are two dimensional shapes with straight sides. They can be described by the number of sides they have and whether the shape is regular or irregular. Where the straight sides of the polygon ...