(36)
The height of the triangle is given by 6*sin(35)
So the area = (1/2)b*h = (1/2)(10)* [6 *sin(35) ] = about 17.21 square units
(37)
The height of the parallelogram is given by 7*sin (40)
So...the area = b* h = 15* [ 7*sin(40) ] = about 67.5 sq units
