<em>Hey mate!!!!! yes we can see the picture but what do you want us to do for you??</em>
To solve this you just have to isolate h
B=hm
Divide both sides by m to get h alone
B=hm
/m /m
B/m=h
In this particular question, one much understand that all angles in a triangle add up to be 180 degrees. In the 2 angles currently displayed, we have a total of 107 degrees. Subtract that from 180 and we will get 73 degrees for the unknown angle.