Rhyming Couplets (Jane/Blane)
How many degrees in a circle? 360
How many degrees in a triangle 180
A right angle is 90 (this is drawn like a square)
Magic Numbers 360 - 180 - 90
To find the perimeter of a shape, you need to add up the length of all the sides. If two shapes are joined, you need to subtract both: if I put my hand on my face, I cover up my palm, but also a palm-sized part of my face. Don't forget.