Arectangle has a length this is three times its width. if the area of the rectangle is 27 square feet, what are the dimensions of the rectangle

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis. y = 7ex, y = 7e^-x, x = 1; about the y-axis