Each of the following integrals represents the area of either a
triangle or part of a circle, and the variable of integration measures
a distance. In each case, say which shape is represented, and give
the radius of the circle or base and height of the triangle.
*You will find it useful to make a sketch of the region,
showing the slice used to find the integral, labeling the variable and
differential on your sketch*. Then evaluate the integral to
find the area.

**A.**

Which is the shape of the region being integrated?
** A. ** Triangle** B. ** Part of a circle

radius, or base and height =

*(If you are entering a base and height, enter them separated
by a comma, e.g.,* **4, 3***)*

area =

**B.**

Which is the shape of the region being integrated?
** A. ** Triangle** B. ** Part of a circle

radius, or base and height =

*(If you are entering a base and height, enter them separated
by a comma, e.g.,* **4, 3***)*

area =

You can earn partial credit on this problem.