Question

I am standing at point A on one side of a river and wish to measure the distance across a river to a house. H on the other side. I walk 50 feet along the riverbank to point B and measure the angle ABH to be 18°. Find the distance across the river(assume a right triangle).

Answer 1

IS THIS RIGHT

Answer 2

Its quite simple. Draw the right angled triangle. You'll find that tan(18)= 50/x where x is the distance you need.

Answer 3

The 18 degrees should be at H :)

Answer 4

You got the answer?

Answer 5

first
cos 18=50/hyp
find hyp
and apply pathagoroous
to find x
or
sin 18=x/hyp