179k views
4 votes
How to find the area

How to find the area-example-1
User Eric Zhou
by
8.3k points

1 Answer

6 votes
You know from trigonometry that AB = 15 units, so the area of the larger triangle ACB is (1/2)*15*15 = 112.5 units^2.

Then the area of triangle ADE is
.. (112.5 -62.5) = 50 . . . . units^2
User Jason Wicker
by
7.9k points