rectangular

tony123 · 2007-12-01 21:29:35

rectangular , Equilateral Triangle
X∈BC , Y∈CD and

find

Last edited by tony123 (2007-12-01 22:02:54)

gyanshrestha · 2007-12-04 22:52:08

From triangle ADY

now from triangle XYC

we know that in above relation

now unknown one is a i.e is AX
then we can solve for it.
It did it and i found it to be 24.33

Last edited by gyanshrestha (2007-12-04 22:55:27)

gyanshrestha · 2007-12-04 23:09:45

detail is here
above last relation simplifies to

which further simplifies to

this goes to

which is quadratic equation in a^2
solving above one root is

if there is mistake sorry in advance.

Last edited by gyanshrestha (2007-12-04 23:10:50)

Math Is Fun Forum

#1 2007-12-01 21:29:35

rectangular

#2 2007-12-04 22:52:08

Re: rectangular

#3 2007-12-04 23:09:45

Re: rectangular

Board footer