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**1.**

**Calculate the perimeter and area of each figure. Round answers to one decimal place. a. **

_ _

**28.4 cm d. e. b. c. f. g. h. **

7.9 cm

36 cm cm

13.5 cm

10.3 cm

8.4 cm

5.8 m

10.8 m

15 cm

7.2 m

20 cm

**2.** Determine the lengths of the unknown sides. Then, calculate the perimeter of each figure.

6.2 cm

P

6.4 cm

U

S

Q

T

2.9 cm

R

W

3.2 cm

V

**3. **A square garden with sides 8.0 m long is to be enclosed by a fence with two openings, each 1.3 m wide.

**a) **How much fencing will be needed?

**b) **Fencing costs $7.10/m. How much will it cost to fence in the garden?

**4.** What dimensions will provide maximum area for a rectangle with each perimeter?

**a) **60 m

**b)** 128 km

**5.** For each triangle, determine the unknown side.

**a)**

*4 cm p *

7 cm

**b)**

*7.5 cm m *

**11 cm b) **

**6.** Calculate the perimeter and the area of this shape.

3.0 m

= =

2.5 m

12.0 m

6.5 m

**7.**

**Determine the volume and surface area of each of the following shapes a) **

3.2 m

8.1 m

60 mm

25 mm

**g) **

**f)** c) d) e)

1.7 m

5.2 m

3.2 m

4.8 cm

15 m

3.2 m

32 cm

5.6 cm

2.0 m

2.4 m

**i) h) j) **

25 cm

45 cm

4.5 cm

1.8 cm

4.5 cm

8.0 cm

2.9 cm