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WorksheetsTest 7: Circle Basics, Sector Area, Arc Length REVIEW
Total questions: 50
Worksheet time: 2hrs 16mins
Can a secant be a tangent?
yes they are both the same line
yes they are both parts of a circle
No secant intersects twice and tangent intersects once
No they both have nothing to do with circles
What part of the circle is present?
diameter
radius
chord
secant
What part of the circle is present?
Tangent
Secant
Chord
Diameter
Find the measure of the arc or angle indicated. Assume that lines which appear tangent are tangent.
36
35
30
41
Find the measure of arc NL
21°
42°
45°
84°
Determine the measure of ∠UVS
19.5°
39°
78°
102°
Determine the measure of ∠NOP
15°
20°
40°
50°
Find the length of the arc
25pi/18
125pi/90
16pi/3
20pi/3
Find arc AB for your final answer.
90
82
49
98
180
198
252
360
136
88
44
176
72
118
59
256
19
141
39
67
Which of the following can be used to calculate the circumference of a circle? (SELECT ALL THAT APPLY)
C=2πr
C=πr2
A = πr2
C=πd
In a circle, a 90° sector has area 64π in2. What is the radius of the circle?
16 in
32 in
64 in
128 in
Calculate the area of the sector.
9.2 sq. in.
10.5 sq. in.
31.4 sq. in.
38.2 sq. in.
Calculate the length of the bold arc.
5040 cm
43 cm
44 cm
14 cm
Find the area of the sector with a measure of 60 degrees and radius of 10in.
52.4 in2
18,864 in2
60 in2
10.47 in
Find the area of the sector with a radius of 3m and measure of 150 degrees.
4248 m2
7.9 m2
2827.4 m2
11.8 m2
