Find the area of the shape.* 9 4 5 12 1. Add file​

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

△abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.