If tan x°= a divided by 4 and cos x°=4 divided by b, what is the value of sin x°?

a.) sin x°= 4b
b.) sin x°=b divided by a
c.) sin x°= 4a
d.) sin x°=a divided by b

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2