Question 389205
Triangle ABC is right-angled at B and D is any point on AB.
DE is perpendicular to AC.
If AD=4cm,AB=16cm,AC=24cm.Find AE
:
Find the Angle A
Cos(A) = {{{16/24}}}
A ~ 48.2 degrees
:
Find AE
{{{(AE)/4}}} = Cos(48.2)
AE = 4 * Cos(48.2)
AE = 2.67