Free Printable Unit 8A Test Review

1.

A farmer needs to build a pen for his animals. The pen must be in the shape of a right triangle.

Which of the following could NOT be the dimensions of the pen?

a)

18 ft., 24 ft., 30 ft.

b)

12ft., 12ft. 12√2ft.

c)

15 ft., 15√3 ft., 30 ft.

d)

6 ft., 6 ft., 12 ft.

2.

The Pythagorean Theorem is _________

a)

a + b = c

b)

a² + b² = c²

c)

a² + b² + c²

d)

A = LW

3.

What letter represents the hypotenuse?

a)

a

b)

b

c)

a and b

d)

c

4.

Which choice represents the legs?

a)

a and b

b)

a

c)

b

d)

c

5.

Find the length of the missing side.

a)

25 cm

b)

42 cm

c)

52 cm

d)

48 cm

6.

What is the length of the missing side?

a)

x = 4

b)

x = 8

c)

x = 10

d)

x = 16

7.

Find the length of the missing side.

a)

20 in.

b)

68 in.

c)

16 in.

d)

80 in.

8.

What is the distance from the Tee Area to the Hole?

a)

275 yds

b)

385 yds

c)

300 yds

d)

295

9.

Find the length of OG. (Round to two decimal places).

a)

156.20 ft

b)

220 ft

c)

175.27 ft

d)

200 ft

10.

What is the length of the missing side?

a)

24 cm

b)

18 cm

c)

26 cm

d)

12 cm

11.

What is the rule for a 45-45-90 triangle?

a)

$x,\ x,\ x\sqrt{2}$

b)

$x,\ x\sqrt{3},\ 2x$

12.

Ms. Haas has a triangle blanket in the shape of a 45-45-90 triangle. If the base of the blanket is 15 feet, what is the hypotenuse of the blanket?

a)

$15\sqrt{2}$

b)

$15\sqrt{3}$

c)

$15$

d)

$25$

13.

Find x - the length of the hypotenuse of the triangle.

a)

5

b)

5√2

c)

10

d)

5√3

14.

What is the length of y in this 45-45-90 triangle?

a)

8√2

b)

4√2

c)

4

d)

8

15.

What is the length of x in this 45-45-90 triangle?

a)

4√2

b)

4

c)

8

d)

4√3

16.

Find the length of WY>

a)

6

b)

12

c)

$6\sqrt{2}$

d)

$12\sqrt{2}$

17.

What is the rule for a 3-60-90 triangle?

a)

$x,\ x,\ x\sqrt{2}$

b)

$x,\ x\sqrt{3},\ 2x$

18.

What type of special triangle is this?

a)

45°-45°-90°

b)

30°-60°-90°

c)

Isosceles

d)

Obtuse

19.

Find x.

a)

10

b)

√3

c)

5

d)

10√3

20.

Find x.

a)

4

b)

2

c)

√3

d)

2√2

21.

What is the length of v?

a)

$2\sqrt{3}$

b)

4

c)

2

d)

$2\sqrt{2}$

22.

Maria’s necklace is an equilateral triangle. Each of the sides is 28 mm long. What is the height of her necklace?

a)

$14\sqrt{3}$

b)

$28\sqrt{3}$

c)

28

d)

14

23.

What is the length of u?

a)

$2\sqrt{3}$

b)

4

c)

2

d)

$2\sqrt{2}$

24.

What are a and b in this 30-60-90 triangle?

a)

b=3.5√3 a = 7√3

b)

b = 7 a = 7√2

c)

b = 7 a = 14

d)

b = 7√3 a = 14√3

25.

Corey wants to estimate the height of the statue of Stephen F. Austin in Angleton, Texas. Using the figure below find the total height of the statue.

a)

20 ft

b)

85.5 ft

c)

30 ft

d)

79.5

26.

What is the length of AC?

a)

$34+34\sqrt{3}$

b)

$34+34\sqrt{2}$

c)

68

d)

$34\sqrt{2}+34\sqrt{3}$

27.

What is the formula for Geometric Mean?

a)

$\frac{height}{leg}=\frac{leg}{height}$

b)

$\frac{leg}{height}=\frac{leg}{height}$

28.

How tall is the mini Eiffel Tower? (Round to two decimals)

a)

22.67 ft

b)

16.67 ft

c)

60 ft

d)

66.67 ft

29.

Find the approximate height of the waterfall.

a)

156.8 ft

b)

161.8 ft

c)

33 ft

d)

140 ft

30.

Evelina is hanging silver stars from the gym ceiling using string for the homecoming dance. Find the height from the floor (F) to the ceiling (C).

a)

20 ft

b)

25 ft

c)

42 ft

d)

15 ft

Unit 8A Test Review

Total questions: 30

Worksheet time: 3hrs 30mins

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