Homework 13-1
Name
Understanding
Perimeter
Another Look!
What is the perimeter of this figure?
Add the lengths of the sides.
4 in.
The perimeter of a
figure is the distance
around it.
6 in.
11 in.
7 in.
5 in.
11 in.
4 + 6 + 7 + 5 + 11 + 11 = 44
The perimeter of the figure is 44 inches.
For 1 through 3, find the perimeter.
1.
10 in.
4 in.
2.
3.
10 cm
4m
4m
6 cm
12 in.
8 cm
2m
6 cm
4m
3m
3m
1m
1m
10 cm
For 4 through 6, draw a figure with the given perimeter.
4. 12 units
5. 18 units
Digital Resources at PearsonTexas.com
6. 22 units
Topic 13 Lesson 13-1
705
7. Explain Daryl drew this figure on grid paper. How can
Daryl find the perimeter of the figure he drew? What is the
perimeter of the figure?
8. Reason Rosa says she can find the
perimeter of her garden by adding the
two sides and doubling the sum. Is Rosa
correct? Why or why not?
9. Connect May bought 12 hats. What
solid figure do the hats look like? What
attributes help you decide?
9 ft
6 ft
Rosa’s Garden
10. Analyze Information Two sides of a
trapezoid are 25 meters. The third side
is 40 meters. The fourth side is half the
length of the longest side. What is the
perimeter? Explain.
11. Which rectangle has a perimeter of
16 units?
12. Personal Financial Literacy The Chans
are saving money for a vacation that
will cost about $1,000. In March, they
saved $180. In April, they saved $275. In
May, they saved $333. Have they saved
enough during those 3 months? Explain.
13. Extend Your Thinking Ming drew this
figure. Its perimeter is 47 cm. What is the
missing length? How can you find it?
A
B
C
D
Length 5 units, width 3 units
Length 10 units, width 6 units
Length 8 units, width 1 unit
Length 6 units, width 3 units
5 cm
14 cm
7 cm
5 cm
6 cm
706
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