Free Printable 7.1 - 7.5 Review

1.

which segment above represents the diameter

a)

BC

b)

AC

c)

BD

d)

LM

2.

which segment above represents the radius

a)

AC

b)

AB

c)

LM

3.

Find the radius of the circle

a)

20 ft

b)

10 ft

c)

5.5 ft

d)

10

4.

find the diameter of the circle

a)

14 m

b)

7 m

c)

14

d)

3.5 m

5.

what is this shape called

a)

circle

b)

semi circle

c)

moon

d)

triangle

6.

what is the radius of the inner circle?

a)

12 in

b)

8 in

c)

8 ft

d)

4 in

7.

A circle has a radius of 23 feet. What is the diameter of the circle?

a)

23 feet

b)

46 feet

c)

1/2 feet

d)

none of the above

8.

The radius is....

a)

a line that crosses through the center and touches each edge

b)

the center point of a circle

c)

a line from the center point to the edge of the circle

d)

an element in science

9.

What part of the circle is present?

a)

diameter

b)

radius

c)

chord

d)

secant

10.

What part of the circle is present?

a)

Tangent

b)

Secant

c)

Chord

d)

Diameter

11.

What is the part of the circle highlighted in red called?

a)

semi-circle arc

b)

major arc

c)

minor arc

d)

sector

12.

What is the part of the circle highlighted in red called?

a)

semi-circle arc

b)

major arc

c)

minor arc

d)

sector

13.

A line that intersects a circle at exactly one point

a)

secant

b)

circle

c)

chord

d)

tangent

14.

What is the value of x?

a)

x = 160

b)

x = 40

c)

x = 80

d)

x = 360

15.

What is the measure of arc AB?

a)

140

b)

142

c)

180

d)

153

16.

If the measure of arc ABC = 210°, what is the measure of ∠AOC?

a)

150°

b)

100°

c)

210°

d)

105°

17.

In a circle, if a diameter bisects a chord (that is not a diameter), then:

a)

it is a secant

b)

it is parallel to the chord

c)

it is perpendicular to the chord

d)

it is just shaking out the sillies

18.

A tangent line intersecting with a radius always creates a ____________ angle

a)

right

b)

acute

c)

obtuse

d)

straight

19.

In the diagram, TP and TQ are tangents to circle O. Determine the value of x. (Note the angles with single arcs are not necessarily congruent in this diagram.)

a)

70

b)

110

c)

140

d)

90

20.

Find the value of x.

a)

15

b)

13

c)

3

d)

6

21.

Find the value of x.

a)

10

b)

181

c)

34

d)

40

22.

In a circle, if a radius or diameter is perpendicular to a chord, then it____ the chord and its arc.

a)

equals

b)

bisects

c)

arcs

d)

circles

23.

Find the value of x.

a)

10

b)

5

c)

18

d)

9

24.

Fill in the blank:
Line m is tangent to circle C because it is _____________ to $\overline{CD}$ at D.

a)

parallel

b)

perpendicular

c)

congruent

d)

touching exactly once

25.

Find AC. (Do not include units.)

(a)

26.

Find the radius of the circle. If necessary, round to the nearest tenth.

*Hint: Pythagorean Theorem

a)

11.4

b)

14

c)

18

d)

5.7

27.

What is the center and radius of the circle

x^2+y^2=9?

a)

(0,0); 3

b)

(0,3); 3

c)

(3,0); 3

d)

(3,3), 1

28.

Write the equation of a circle with center (h,k) and radius r.

a)

x² + y² = r²

b)

(x + h)² + (y + h)² = r²

c)

(x - h)² + (y - k)² = r²

d)

(x - h)² - (h - k)² = r²

29.

What is the equation of the circle?

a)

(x+1)² + (y +1)² = 3

b)

(x+1)² + (y -1)² = 3

c)

(x+1)² + (y +1)² = 9

d)

(x-1)² + (y -1)² = 9

30.

Write the equation of a circle with center (7, 0) with radius 3.

a)

(x - 7)² + y² = 9

b)

x² + (y -7)² = 9

c)

(x - 7)² + y² = 3

d)

x² + (y -7)² = 3

31.

Find the value of x.

a)

10

b)

181

c)

34

d)

40

32.

Use chords to solve for x

a)

x = 35^o

b)

x = 50^o

c)

x = 70^o

d)

x = 140^o

33.

Solve for x.

a)

15

b)

21

c)

35

d)

49

34.

In a circle (or congruent circles), chords that are the same distance from the center:

a)

are similar

b)

have the same name

c)

are congruent to each other

d)

are walking dead

35.

Use chords to solve for x

a)

x = 3 cm

b)

x = 4 cm

c)

x = 5 cm

d)

x = 6 cm

36.

Solve for x.

*Hint: Pythagorean Theorem

a)

3.6

b)

9.2

c)

11.5

d)

14.3

37.

Find the value of x.

a)

26

b)

24

c)

30

d)

20

38.

If 2 chords in a circle are congruent, then their arcs are ___?

a)

Congruent

b)

Parallel

c)

Perpendicular

d)

Half

39.

Chords AB and CD are congruent. If arc AB is 54°, what is the measure of arc CD?

a)

108°

b)

54°

c)

27°

d)

81°

40.

Chords AB and AD are congruent. Arc AB is 96°. What is the measure of arc BAD?

a)

96°

b)

48°

c)

192°

d)

168°

41.

a)

52°

b)

90°

c)

23°

d)

46°

42.

Solve for X

a)

12

b)

9

c)

7

d)

8

43.

Solve for X

a)

44

b)

23

c)

5

d)

90

44.

If two chords in a circle are congruent, then the two central angles are (a) .

45.

If two arcs are congruent, then the two (a) are congruent.

46.

Perpendicular bisector of a chord passes through the (a) of the circle.

7.1 - 7.5 Review

Total questions: 46

Worksheet time: 1hrs 5mins

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