In-ABC-A-90-AD-BC-DE-AC-AF-FG-GH-FC-a-How-many-triangles-are-there-b-If-AB-16-9-B-60-find-the-length-of-GH-

Question Number 8325 by lepan last updated on 08/Oct/16

I n Δ A B C, ∠ A = 90 °, A D ⊥ B C, D E ⊥ A C,

A F ⊥ F G, G H ⊥ F C .

(a) H o w m a n y t r i a n g l e s a r e t h e r e ?

(b) I f A B = \frac{16}{9}, ∠ B = 60 °, f i n d t h e l e n g t h

o f G H .