February 6, 2012
5 squared is equal to 3 squared plus 4 squared.
For a right triangle
a2 + b2 = c2
6, 8, 10
9, 12, 15
12, 16, 20
Today the class made lounge chairs.
At what angle would you like your chair back?
It packs up flat - 180 degrees.
It could be a large obtuse angle.
It can be up right at a right angle -
90 degrees.
How about a lovely tree to sit under?
