4. The CGJ girls plan to string a set of lights diagonally from two vertical poles for overhead lighting for dancing on the right side of the deck (see the diagram). The string of lights is sold in foot increments only. How many feet of diagonal lighting will need to be purchased?

diagram: mathbits(dot)com(slash)caching(slash)holiday(slash)H173740(dot)html

2 answers

The Pythagorean Theorem tells you that the exact length of lighting is

√(8^2+14^2) = 16.12 feet

So, now, what's the answer you need?
Put less confusin wurk.