
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
January 20th, 2017, 06:24 PM  #1 
Newbie Joined: Jan 2017 From: ? Posts: 2 Thanks: 0  What is leg length and how do I do this question?
Find the area of the right triangle with hypotenuse length 17cm and one leg length 15cm Don't tell me the answer instead the formula thanks 
January 20th, 2017, 06:53 PM  #2 
Member Joined: Oct 2016 From: Melbourne Posts: 77 Thanks: 35 
If you have a right angle triangle, the three sides are related by Pythagoras' Theorem: $\displaystyle \begin{align*} a^2 + b^2 = c^2 \end{align*}$ (note that c is always the Hypotenuse). That means that if you have any two sides, you can use Pythagoras' Theorem to find the third. 
January 21st, 2017, 03:57 PM  #3  
Global Moderator Joined: May 2007 Posts: 6,762 Thanks: 697  Quote:
 

Tags 
leg, length, question 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Arc length question?  mathsheadache  Geometry  6  January 12th, 2015 06:05 AM 
Arc length question  rishykytch  Calculus  1  May 16th, 2013 01:16 AM 
Length of a vector question  mathguy89  Linear Algebra  2  November 17th, 2011 02:51 AM 
Length of a vector question  mathguy89  Algebra  1  November 16th, 2011 08:37 PM 
question about rectangle length that is gnomon of another  dobb7823  Algebra  14  November 13th, 2009 10:09 PM 