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WorksheetsCircle Graphs Angles
Total questions: 20
Worksheet time: 20mins
Calculate the central angle for a sector representing 20% of a circle graph.
60 degrees
90 degrees
72 degrees
45 degrees
What is the measure of the central angle in a circle graph representing 45% of the total data.
180 degrees
162 degrees
90 degrees
45 degrees
Find the percentage represented by a sector with a central angle of 90 degrees in a circle graph.
50%
90%
30%
25%
Out of the 50 people surveyed, 11 said that their favorite flavor of ice cream is black raspberry. How many degrees of the circle graph is this pie piece?
11 degrees
22 degrees
79.2 degrees
39.6 degrees
What is the measure of arc AB?
44
22
88
55
The image shows a circle centered at point O. Angle AOB measures 50 degrees. What is the measure of angle ACB? (a)
25 degrees
40 degrees
50 degrees
100 degrees
Solve for x.
(a)
Find the value of x
(a)
In the circle, the diameter QS intersects the chord PR at M, the midpoint of PR. Given that O is the centre of the circle and ∠POQ = 136° , calculate ∠RSQ
(a)
Find the m<MLN.
39°
32°
48°
34°
Solve for x:
In the figure, PT is a tangent to the circle, centre O and POS is a diameter. The radius OR is parallel to PT, the line TO cuts the circle at Q and ∠OTP = 36°
Find ∠QSR
(a)
Find the value of x.
Solve for x.
20
40
85
Find the measure of arc CD.
100
50
25
Think about if the angles are equal or if they add up to 180. Solve for x. Plug it in.
Calculate angle ∠BAO
(a)
Compare the central angles of two sectors in a circle graph: Sector A - 120 degrees, Sector B - 90 degrees.
Sector A has a central angle of 180 degrees.
Sector A has a larger central angle than Sector B.
Sector A and Sector B have equal central angles.
Sector A has a smaller central angle than Sector B.
