Follow these steps to derive the trigonometric area formula.
1. for aabd, sin(a) =
1.c/h
2.a/h
3. h/c

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

The 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) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2

Find the measure of angle a in the following triangle