SOLUTION: a sail is in the form of a right triangle that is four times as high as it is wide. the sail is made from 18 square meters of material. what is its height?

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: a sail is in the form of a right triangle that is four times as high as it is wide. the sail is made from 18 square meters of material. what is its height?       Log On


   

Question 947155: a sail is in the form of a right triangle that is four times as high as it is wide. the sail is made from 18 square meters of material. what is its height?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
For a triangle,
A=%281%2F2%29bh
18=%281%2F2%29b%284b%29
b%5E2=9
b=3m
So then,
h=4%283%29
h=12m