Chapter Test Check It Out
Test Practice
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Find the area of the parallelogram, triangle, or trapezoid.
1.
2.
114 in
100
16 cm
2 cm
130 cm
22 in
h
24 cm
Find the area of the figure.
4
5
6.
6 ft
8 in
71
14 in
12 ft
10 m
Draw the polygon with the given vertices in a coordinate plane.
7. A(4,2), B(5, 6), C(7,4)
8. D[3, 4), E(5,8). F(8,8). G(6,4)
Find the perimeter and the area of the polygon with the given vertices.
9. Q(5, 6), R(5, 10), S(9, 10), 719,6)
10. W12,8), X12, 16), Y(8, 16), Z(8,8)
11. TABLETOP The base lengths of a trapezoidal tabletop are
6 feet and 8 feet. The height is 5 feet. What is the area of
the tabletop?
921 ft
1490 Ft
12. PENTAGON The Pentagon in Arlington, Virginia, is the
headquarters of the U. S. Department of Defense.
a. Find the perimeter of the Pentagon.
b. A pentagon is made of a triangle and a trapezoid.
The height of the triangle shown is about 541 feet,
and the height of the trapezoid shown is about
876 feet. Estimate the land area of the Pentagon
923
13. CAMPING The vertices of a campsite are (25, 15). (25, 30), (55, 30), and
(55, 15). The vertices of your tent are (30, 20), (30,25), (40,25), and (40,20). The
coordinates are measured in feet. What is the area of the campsite not covered
by your tent?
184
Chapter 4
Areas of Polygons