1. Name _________________________________________ Date___________________
Mrs. Labuski / Mrs. Portsmore Period _______________ Mod 5 Lessons 1-6 Review
Write the measurements for the missing sides in each shape below:
C) Draw a line identifying the altitude of each triangle below.
14 cm
10 cm
?
?
13 mm
5 mm
8 mm
6 mm
?
?
16
8
15
1
7?
?
9 in
2.5 in
4.5 in
2 in
3.2 in
4.1 in
?
?

2. Part 2:
For each shape below, find the area using the steps shown in class. You may use a calculator
as needed. There may be more lines than you need. Write the formula, circle your final answer
and don’t forget units!
1)
2)
3)
4.8 cm
14 mm
6 mm
6
1
5
in.
3
3
4
in.

3. 4)
5)
6)
5.2 in
7.1 in6.7 in
4 ft. 3 ft.
2.5 ft.
2 cm 11 cm
6 cm

4. Find the area of each compound shape using compostion or decomposition. Show all work.
7)
8)
2 m 2 m
9 m
12 m

5. 9)
10. Find the area of the deck around this pool. The deck is the white area in the diagram.
They want to cover the deck in pavers. If the pavers are sold in boxes of 1000 pavers, how
many boxes will they need? What will it cost if each box is $45.98 each?

6. Name _________________________________________ Date___________________
Mrs. Labuski / Mrs. Portsmore Period _______________ Mod 5 Lessons 1-6 Review
Write the measurements for the missing sides in each shape below:
C) Draw a line identifying the altitude of each triangle below.
14 cm
10 cm
?
?
13 mm
5 mm
8 mm
6 mm
?
?
16
8
15
1
7?
?
9 in
2.5 in
4.5 in
2 in
3.2 in
4.1 in
?
?
10cm
14cm 5mm
11mm
7
10
9.3in
4.9in
hh

7. Part 2:
For each shape below, find the area using the steps shown in class. You may use a calculator
as needed. There may be more lines than you need. Write the formula, circle your final answer
and don’t forget units!
1)
2)
3)
4.8 cm
A=bh
A=4.8  4.8
A=23.04cm2
14 mm
6 mm
A=bh
A=14  6
A=84mm2
6
1
5
in.
3
3
4
in.
A=bh
A=𝟑
𝟑
𝟒
 6
𝟏
𝟓
A=
𝟏𝟓
𝟒

𝟑𝟏
𝟓
A=
𝟑
𝟒

𝟑𝟏
𝟏
=
𝟗𝟑
𝟒
A= 23
𝟏
𝟒
in2

8. 4)
5)
6)
5.2 in
7.1 in6.7 in
A=bh
A=5.2  6.7
A=34.84in2
4 ft. 3 ft.
2.5 ft.
A=bh
A=4  2.5
A=10ft2
2 cm 11 cm
6 cm
A=bh
A=13  6
A=78cm2

9. Find the area of each compound shape using compostion or decomposition. Show all work.
7)
OR
8)
2 m 2 m
9 m
12 m
A=bh A=
𝟏
𝟐
bh
A=15  9 A=
𝟏
𝟐
1115
A=135m2
A = 82.5m2
A = 135 + 82.5
A= 217.5m2
A
B
C
A B C
A=
𝟏
𝟐
bh A=bh A=
𝟏
𝟐
bh
A=
𝟏
𝟐
2  9 A=129 A=
𝟏
𝟐
29
A=9m2
A = 108m2
A = 9m2
A = 108 + 9 + 9
A= 126m2
9 m
2 m2 m 12 m
A
A
B
B
C
C
A
A
B
B
A=bh A=
𝟏
𝟐
bh A=
𝟏
𝟐
bh
A=16  9 A=
𝟏
𝟐
29 A=
𝟏
𝟐
29
A=144m2
A = 9m2
A = 9m2
A = 144 – (9 + 9)
A= 126m2
A=bh A=
𝟏
𝟐
bh
A=20  15 A=
𝟏
𝟐
1115
A=300m2
A = 82.5m2
A = 300 - 82.5
A= 217.5m2
A
B
BA

10. 9)
9)
A=
𝟏
𝟐
bh A=
𝟏
𝟐
bh
A=
𝟏
𝟐
4 21 A=
𝟏
𝟐
4 21
A=42ft2
A = 42ft2
A = 42 + 42
A= 84m2
A B
A B
A=
𝟏
𝟐
bh A=
𝟏
𝟐
bh
A=
𝟏
𝟐
8 6 A=
𝟏
𝟐
8 15
A=24ft2
A = 60ft2
A = 24 + 60
A= 84m2
A B
A
B

11. 10. Find the area of the deck around this pool. The deck is the white area in the diagram.
They want to cover the deck in pavers. If the pavers are sold in boxes of 1000 pavers, how
many boxes will they need? What will it cost if each box is $45.98 each?
1500÷1000=1.5
We will need to buy two boxes.
$45.98
x 2
$91.96
It will cost them $91.96 to buy two boxes of pavers.
Whole Area
A=bh
A=90  25
A=2,250m2
Pool
A=bh
A=50  15
A=750m2
Deck
2250
- 750
1500
The deck area is 1500m2