The shapes shown are sorted into groups according to the number of lines of symmetry. Move the rest of the shapes to the correct group.
Group A
Group B
1
H

Find the volume v of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x â’ 1 , y = 0, x = 5; about the x-axis v = sketch the region. sketch the solid, and a typical disk or washer.