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8th grade SA practice

Total questions: 36

Worksheet time: 9hrs 0mins

Name
Class
Date
1.
The radius is ___________ of the diameter?
a)
one-fourth
b)
one - half
2.
What is the surface area formula for a cylinder?
a)
SA = πrl + πr2
b)
SA = 2πrh + 2πr2
c)
SA = 4πr2
d)
SA = πr2h
3.

Find the surface area of the cylinder.

a)

60.4 m2

b)

188.4 m2

c)

94.2 m2

d)

881.9 m2

4.

Find the surface area of the cylinder.

a)

100.53 square inches

b)

351.86 square inches

c)

251.33 square inches

d)

50.27 square inches

5.
What is the total surface area of the cylinder to the nearest square inch
a)
625 in2
b)
1300 in2
c)
1046 in2
d)
414 in2
6.

Find the surface area of a cylinder with a radius of 4 and a height of 3. Use 3.14 for π

a)

175.84 mm2

b)

709.89 mm2

c)

75.36 mm2

d)

100.48 mm2

7.
Find the lateral surface area of the figure.
a)
456 m2
b)
1444 m2
c)
1245 m2
d)
816 m2
8.
Find the Total Surface area of the cylinder. 
a)
62.8m
b)
477.28 cm2
c)
 235.5 cm3
d)
942 cm2
9.

Find the total surface area of the cylinder.

Don't forget to divide the diameter by 2 to get the radius.

a)

25.13 square cm

b)

75.40 square cm

c)

50.27 square cm

d)

100.53 square cm

10.
What shape is this?
a)
Cylinder
b)
Rectangular Prism
c)
Cube
d)
Cone
11.

What is surface area?

a)

The measure of the amount of space inside of a solid figure

b)

The sum of all the areas of all the shapes that cover the object

c)

The distance around a figure.

d)

The space take by a two-dimensional figure.

12.
Which example requires you to find the surface area?
a)
Finding out how much water will fill a cylinder
b)
Finding out how much wrapping paper is needed to cover a present
c)
Finding the amount a container can hold
d)
Finding out how much wood is needed to build a fence in your back yard.
13.
To calculate the amount of cardboard needed to make a cereal box, which of the following should you find: 
a)
Area
b)
Perimenter
c)
Surface Area
d)
Volume
14.
Find the total surface area of the prism.
a)
48 square inches
b)
64 square inches
c)
88 square inches
d)
76 square inches
15.
What is the surface area of this figure?
a)
200 cm 2
b)
800 cm 2
c)
400 cm 2
d)
100 cm 2
16.
Find the surface area of the prism.
a)
48 square inches
b)
64 square inches
c)
88 square inches
d)
76 square inches
17.

Find the lateral surface area of the shape shown? Use the left and right sides as the bases.

a)

119.28 in2

b)

102.48 in2

c)

84 in2

d)

101.76 in2

18.
What is the surface area of this figure?
a)
3000 cm 2
b)
164 cm 2
c)
236 cm 2
d)
328 cm 2
19.
Find the Surface Area
a)
556 cm2
b)
278 cm2
c)
680 cm2
d)
340 cm2
20.
What is the surface area of this figure?
a)
200 cm 2
b)
800 cm 2
c)
400 cm 2
d)
100 cm 2
21.
Find the surface area of the rectangular prism.
a)
140 in.2
b)
83 in.2
c)
166 in. 2
d)
100 in.2
22.
What 3D solid does this net create?
a)
Triangular Prism
b)
Triangular Pyramid
c)
Rectangular Pyramid
d)
Square Prism
23.

Find the surface area of the triangular prism.

a)

228 cm2

b)

170 cm2

c)

304 cm2

d)

328 cm2

24.

Which formula can be used to find the surface area of the prism?

a)

SA=Ph+2B

b)

SA=2πrh+2πr2

c)

SA=Ph

d)

V=Bh

25.

In the formula: Ph + 2B, what does the B stand for?

a)

side length of the base of the prism

b)

area of base

c)

box

d)

boundary

26.

In the equation:

Ph + 2B, why are you multiplying by 2?

a)

There are two lateral faces.

b)

It is multiplying B by 2 because there are two bases.

c)

There are two boxes.

d)

2 is my favorite number.

27.

What is the lateral area?

a)

27 in2

b)

300 in2

c)

327 in2

d)

345 in2

28.

Jesse needs to wrap the present shown below. How much wrapping paper would he need?

a)

300 in2

b)

558 in2

c)

327 in2

d)

354 in2

29.
Find the total surface area of the prism.
a)
161 square feet
b)
1,700 square feet
c)
75 square feet
d)
186 square feet
30.

What is the TOTAL surface area of the triangular prism shown.

a)

960 cm2

b)

448 cm2

c)

256 cm2

d)

544 cm2

31.
a)

400 mm2

b)

416 mm2

c)

424 mm2

d)

396 mm2

32.
What is the lateral area of the prism?
a)
299 units2
b)
21 units2
c)
320 units2
d)
 784.9 units2
33.

Find the surface area of the figure.

a)

96 ft2

b)

192 ft2

c)

84 ft2

d)

108 ft2

34.

Find the total surface area of the prism.

a)

720 in2

b)

876 in2

c)

792 in2

d)

1,872 in2

35.

What is the lateral area of the triangular prism shown?

a)

360 in2

b)

468 in2

c)

576 in2

d)

700 in2

36.
What is the total surface area of the triangular prism shown? 
a)
468 in2
b)
540 in2
c)
576 in2
d)
700 in2