perplexus.info :: Geometry : Isosceles Triangle

Isosceles Triangle (Posted on 2007-11-21)

The perimeter of an isosceles triangle ABC with CA = CB, is 420. Find the area of this triangle if D is a point on the base of the triangle such that CD and CA are integers, and AD and DB are primes.

See The Solution Submitted by Dennis

No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)

Puzzle Thoughts

Comment 4 of 4 |

The required area of the triangle is 1764*sqrt(5).

Posted by K Sengupta on 2024-06-21 13:17:25

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info