The volumes of two similar figures are given. The surface area of the smaller figure is given. Find the volume of the larger figure
V = 27 in
V = 125 in
SA = 63 in?
SA=
in?

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b