Friday, August 31, 2012

Sec1 Pythagoras Theorem (Fr Alexia)

A creeper plant is climbing up and around a cylindrical tree trunk in a helical manner. The tree trunk has a height of 540 inches and a circumference of 48 inches.
If the creeper covers a vertical distance of 90 inches in one complete twist around the tree trunk, what is the total length of the creeper?

Click here for my solution