Posted by mitch on .
tree casts a shadow 32 feet on the ground. If the distance from the end of the shadow to the top of the tree is 40 feet, how tall is the tree?

math 
Ms. Sue,
a^2 + b^2 = c^2
32^2 + b^2 = 40^2
1444 + b^2 = 1600
b^2 = 1600  1444
b^2 = 156
b = 12.49 feet