TEST #4 REVIEW

^DATE_ TEST #4: CIRCLE BASICS REVIEW

NAME

PER.

P A R T 1 . CIRCLE BASICS

O L Seamen-t

1. chord

with botH enc|points

3. point of tangency

(X lint, ra\i or scgnOent t n a t : mter^ech^ V civd-e a t exac±kj Dne.pt+ h e poinV ai-VMhich a t-afiojent

4 . secant

OL_ line ishat.

2. tangent

i n t e r ^ b s a c(rcl-e

O L searDeAb w i i t h o n e enclpoint Get -Hne : cerri^r"c^nrt -Wit- athe^ m t i i e O L dhord t h a t q D t 5 -ihrou^^io-the

5. radius 6. diameter

Use circle O below to name each of the following.

0

7.

The center. All radii.

9.

ML

A diameter. A secant. A tangent.

11. 12. 13. 14.

N 0 P

A point of tangency. A point in the interior. A point in the exterior.

Find the measure indicated.

15. d = ^{?>an 16. r =

SX-U-

Find the diameter of a circle with a radius of 2 - ^ cm. Find the radius of a circle with a diameter of 18x units.

TEST #4 REVIEW PG. 2

PART 2. CIRCUMFERENCE AND AREA Find the EXACT circumference and area of each circle.

17. c= iUTT ih A=

W T J

in^

\

J 16 in

18.

c=\^

.6lT

rm ' • " i n c - l 9 . 5 1 7

h'-rfi'^ns?-

19. c=ql2ir in A=(94.5Tr)n^ \/7Jn

r

20. c=l£)8Tr cnn

PART 3. AREAS OF SHADED REGIONS Find the EXACT area of each shaded region below.

21. A=94~3.lTi«^' p J L . - . ^

22. A=

An-

'/qAo

ilpTf U [

*

y^ABG-32ir

T E S T #4 REVIEW PG. 3

23. A =

24. A =

^ b o - As©

25.AM003r::3^U

Ao

IT 00) Pa,

26. A= H^ -3ktu A a - Oz:)'

PART 4. TANGENTS Find the indicated values. 27. x =

Find tiie value of 'x':

3)C-+5- 24

28. x =

Find the value of 'x'

TEST #4 REVIEW PG. 4 29. x =

(On

30. P =

QX) U-

Find the value of 'x':

^

" \

Z

2,} ^ +

Find the perimeter of the quadrilateral: ^ ^ ^ ^ ^ ^ ^ V ^ ^ ^

31. A= c2?4B

Find the area of the polygon:

32. v = ? l i 7 ^ r m " ^

Find the volume of the figure:

/—[

15

cm,^ 16 cm

cm

PART 6. TAKS REVIEW Find the correct answer for each of the foiiowing. Clearly circle or bubble in your answer as appropriate. 33. Leah bought a pair of athletic shoes from Foot Action. She paid $144 dollars for the shoes. If Foot Action paid $42 for the shoes, by what percent did they markup the price of the shoes?

34. What is the domain of y =

(^2 2 A. all real number except 0

-1?

( B ^ a l l real numbers except 2 A. 29% B. 7 1 % ©243%

all real numbers such that x > 3

14-4 ~ 4-2--l-42Cyo )

D. 343%

2 43--% a43

D. all real numbers such that x < 3

TEST #4 REVIEW PG. 5 35. What are the roots of the function f(x) = x ' + 5 x + 6?

36. What is the y-coordinate of the midpoint of the line segment with endpoints (8, 1) and (4, 6)?

^(0,6)

^{2,

0), (3, 0)

(-2, 0), (-3, 0) D. Not Here

A. 8 B. 7 C. 4.5