Show that the areas of triangle ABC and triangle ACD equal the area of kite ABCD when BD = 15, ED = 10, and AE

Question

http://s40.photobucket.com/albums/e215/xxs3xp1stolxx/?action=view¤t=15.jpg

Answer 1

This is true by definition since the two triangles together make up the kite. Perhaps you mean to find the area of the kite.

The vertical diagonal BD = 15.
The horizontal diagonal AC = 2*AE = 2*3 = 6

Area kite = (1/2)(diagonal 1)(diagonal 2)

Area kite = (1/2)(15)(6) = 45