NAME
DATE
11-2
PERIOD
Practice
Areas of Trapezoids, Rhombi, and Kites
Find the area of each trapezoid, rhombus, or kite.
1.
2.
31 m
3.
5m
2.4 in.
34 cm
16.4 in.
16 m
11 cm
117.5
m2
C11-008A-890520-A
4.
6.5 ft
187 cm2
C11-008A-890520-B
5.
C11-008A-890520-C
39.36 in2
5 cm
6.
17 ft
8 ft
2 cm
12 ft
112 ft2
21.5 ft
102 ft2
20 cm2
C11-008A-890520-F-A
ALGEBRA
Find each missing C11-008A-890520-E
length.
C11-008A-890520-D
7. A trapezoid has base lengths of 19.5 and 24.5 centimeters with an area of 154 cm2.
What is the height of the trapezoid?
8. One diagonal of a kite is twice as long as the other diagonal. If the area of the kite is
400 square meters, what are the lengths of the diagonals?
20 m, 40 m
9. A trapezoid has a height of 40 inches, a base of 15 inches, and an area of 2400 square
inches. What is the length of the other base?
105 in.
10. DESIGN Mr. Hagarty used 16 congruent rhombi-shaped tiles to design
the midsection of the backsplash area above a kitchen sink. The length
of the design is 27 inches and the total area is 108 square inches.
a. Find the area of one rhombus.
Geo-PR11-02-13-860188
3
6−
in2
4
b. Find the length of each diagonal.
1
4−
in., 3 in.
2
Chapter 11
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
7 cm
16
Glencoe Geometry