Posted By: CanukDenis
Geo Metry wants to know... - 06/09/13 05:41 PM
Code:
B C
A
D
AB = 3, BC = 4
Angle A = 90, angle B = 120, angle C = 90
C'est quoi la length of CD?
Geo Metry wants to know...
AB = 3, BC = 4
Angle A = 90, angle B = 120, angle C = 90
C'est quoi la length of CD?
Posted By: manxman
Re: Geo Metry wants to know... - 06/09/13 06:02 PM
(10/3)sqrt(3) 
Posted By: CanukDenis
Re: Geo Metry wants to know... - 06/09/13 09:18 PM
Correct! Or 10/SQRT(3).
This was my approach:
Place E on AD and F on CD such that BEFC is a rectangle.
Now play with the two 30-60-90 triangles ABE and DEF!
Yours different?
This was my approach:
Place E on AD and F on CD such that BEFC is a rectangle.
Now play with the two 30-60-90 triangles ABE and DEF!
Yours different?
Posted By: manxman
Re: Geo Metry wants to know... - 06/09/13 10:24 PM
That's exactly what I did Denis 