Revision Exercises (1 Viewer)

[Dreamerish*~]

Tell me it's a typo, please.

In ΔABC, AB = 17 cm, AD = 15 cm and ∪DAB = 132°. Find the area of ΔABD.

What the frick is D?

 

[insert-username]

I would assume the triangle's supposed to be ABD, not ABC. That way, you can find the area with A = ab sin C (AB x AD x sin 132).


I_F