Kelley solved for in the triangle shown Tell whether she is

Kelley solved for in the triangle shown. Tell whether she is correct or not. If she is not, explain what she did wrong and solve for the correct value.

Kelley\'s work:

Solution

Wrong. It is :

cosT = 30/60 ( cos is the angle betwee adjucent side and the hypotensuse)

T = cos-1( .5)

T =  60°