All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Shapes > Geometry
Equilateral Triangle (Posted on 2003-12-18) Difficulty: 3 of 5
Suppose ABC is an equilateral triangle and P is a point inside the triangle, such that PA = 3 cms., PB = 4 cms., and PC = 5 cms.
Then find the length of the side of the equilateral triangle.

No Solution Yet Submitted by Ravi Raja    
Rating: 4.0000 (5 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution kiss SOLUTION Comment 19 of 19 |

The area of an equilateral triangle  =.5 *a^2.9*sqrt(3).............(i)

The sum of three triangles APB, APC and BPC =.5*a*(3+4+5))...(ii)

Comparing (i) with (ii)    we get    a=4*sqrt(3)= 6.928

  Posted by Ady TZIDON on 2014-10-18 11:13:43
Please log in:
Remember me:
Sign up! | Forgot password

Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Copyright © 2002 - 2018 by Animus Pactum Consulting. All rights reserved. Privacy Information