1. An oval track is made by enclosing semicircles on each end of a 50 m-by-100 m rectangle. Find the area enclosed by the track. Use 3.14 for π.
2. The outside wall of a dollhouse has the shape of this polygon. What is the area of the polygon?
3. Find the area of the shaded region. Use 3.14 for π.
4.
a. Show two ways that the polygon can be decomposed into simpler shapes.
b. Explain how to use the simpler shapes to find the area of the figure.
5. The figure shows the outline of a new pier that is going to be built at the ocean.
a. What is the area of the pier?
b. Draw another figure that has the same area as the given figure.
6.
a. Draw a polygon that is made up of squares, triangles, and parallelograms.
b. Which of these formulas would you use to find the area of the polygon? Select all that apply.
A. A = b + h
B. A = bh
C. eh equals , 1 half , b h
D. A = s^{2}
E. eh equals , h over b
F. eh equals , b over h