Free Printable Lesson nine review: area of 2d figures

Worksheets

Lesson nine review: area of 2d figures

Total questions: 24

Worksheet time: 1hrs 18mins

Name

Class

Date

Can you find the circumference of a circle with a radius of eight?

The circumference is 32π or approximately 100.48 units.

The circumference is 4π or approximately 12.56 units.

The circumference is 16π or approximately 50.24 units.

The circumference is 64π or approximately 200.96 units.

What is the circumference of a circle with a radius of 10?

(a)

What is the area of a triangle that has a side length of ten and is equilateral?

The area of the equilateral triangle is 10 * 10 = 100 square units.

The area of the equilateral triangle is (1/2) * 10 * 10 = 50 square units.

The area of the equilateral triangle is (sqrt(3) / 4) * 10 = 2.5 * sqrt(3) square units.

The area of the equilateral triangle is (sqrt(3) / 4) * 10^2 = 25 * sqrt(3) square units.

What’s the formula for finding a triangle’s area?

base - height

(base x height) / 2

base + height

base x height

Base = 6

V = 6 x height

How many units high is this rectangular prism?

(a)

Read the question carefully.

V = B x h

216 cubic yds

116 cubic yds

33 cubic yds

What is the area of this triangle?

12 sq. cm.

6 sq. cm.

12 cm

6 cm

What is the area of the triangle?

12cm²

14 cm²

14cm²

24 cm²

10.

Find the area:

40 yd

40 yd²

80 yd²

18 yd²

11.

Find the Area of this triangle

19.8 km²

37.8 km²

18.9 km²

35 km²

12.

What units do we use to show area?

units

squared units

cubed units

13.

What is the area of this trapezoid?

216 cm²

204 cm²

156 cm²

14.

What is the area of this trapezoid?

14.25 m²

17.25 m²

22.5 m²

15.

What is the area of this trapezoid?

20 in²

24 in²

28 in²

16.

What is the area of this trapezoid.

30 cm²

44 cm²

88 cm²

22 cm²

17.

What is the area of this trapezoid?

91 ft²

77 ft²

78 ft²

105 ft²

18.

54 cm2

45 cm2

63 cm2

36 cm2

19.

The diagram shows the spot on a basketball court called the “key”. What is the area of the key? Use 3.14 for ∏ .

284.52 ft2

228 ft2

317 ft2

116.71 ft2

20.

Find the area of the figure shown.

34 units²

960 units²

220 units²

480 units²

21.

What is the area of the shaded region?

20 sq cm

4 sq cm

30 sq cm

24 sq cm

22.

Find the area of the composite figure

23.

Find the area of the composite figure

51.5

24.

The arrow shown is on a sign. What is the area of the arrow?

17 in2

40 in2

52 in2

61 in2

Reset

Lesson nine review: area of 2d figures

Total questions: 24

Worksheet time: 1hrs 18mins

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