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Worksheetsmathematics
Total questions: 93
Worksheet time: 2hrs 9mins
How many chords are in the figure?
1
2
3
0
Name a radius.
line AB
line DB
line CB
line CE
Which segment is a diameter of the circle?
Segment AC
Segment EB
Segment DA
Segment AB
The definition of a circle is
set of all points in a plain that are the same distance from a point called the center
the distance around a share
a large figure
a pizza, orange, plum, or watermelon
The definition of radius is
distance from one point to another point
distance around the circle
distance from the center to any point on the circle
distance across the circle through the center
The definition of diameter is
distance from the center of any point on the circle
distance across the circle through the center
distance from one point to another
distance around the circle
The definition of circumference is
distance from the center of any point on the circle
distance from one point to another
distance around the circle
distance from the center of any point on the circle
what is the definition of pi
select ALL that apply
it is the sixteenth letter in the greek alphabet
it has a represented value of 3.14
it has a represented value of 22/7.
Its something you eat...
what is the formula for finding diameter
r = 2 d
d = 2 r
a = m c2
c = π 2 r
what is the formula for finding radius
c = π d
c = 2 π r
d = r/2
r = d/2
which segment above represents the diameter
BC
AC
BD
LM
A straight line from the centre of the circle to any point on the circumference is ________.
Diameter
Chord
Radius
Arc
If you are given the diameter, how can you calculate the radius?
Multiply the diameter by 2
Divide the diameter by 2
Add 2 to the diameter
Subtract 2 from the diameter
Which of the following is the chord?
LM
AE
AC
ED
What is the formula for circumference of a circle given the diameter?
C = π r
C = π d
C = 2 π r
C = 2 π d
If the circumference of a circle is 22π , what is the diameter?
π
22
11
0
What is the circumference of this circle?
(Use 3.14 for π)
452.39 cm
75.36 cm
452.16 cm
75.40 cm
How do you find the area of a circle?
πd2
2πr
πr2
2π2
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?
31.25 m2
29.55 m2
30.36 m2
28.28 m2
What is the area of this circle?
(Use 3.14 for π)
75.40 cm
452.16 cm
452.16 cm2
75.40 cm2
Find the length of minor arc AB, correct to two decimal places.
(Use π = 3.142)
56.56
65.98
395.89
9.43
A ______ is the region enclosed by two radii and an arc.
Segment
Sector
Chord
Circumference
What is the region enclosed by a chord and an arc?
(a)
T is the longest part of the circumference. What is T ?
Chord
Major Arc
Major Segment
Major Sector
Find the area of the sector, rounding your answer to one decimal place.
176.7cm2
156.7cm2
23.6cm2
88.4cm2
The figure shows a circle inside a triangle. Which equation could be used to find the area of the shaded region?
A = ½bh - 2πr
A = ½bh - πd
A = πr² - ½bh
A = ½bh - πr²
What is the green area called?
Sector
Section
Segment
Arc
A circle has a circumference of 36. What is the radius of the circle? Round to one decimal place.
(a)
A circle has a circumference of 36. What is the area of the circle? Round to the nearest whole number.
(a)
Perpendicular bisectors of two chords meet at the (a) of the circle.
Equal chords or chords of the same length produce (a) of the same length.
What is A?
(a)
Calculate the circumference of a circle with a diameter of 2m. Use
(a)
Calculate the circumference of a circle with a radius of 12cm. Use
(a)
The formulae
(a)
Find a diameter of a circle with circumference 36cm. Use
(a)
Find a radius of a circumference of 63.5mm. Use
(a)
A round-shape cake has a circumference of 54 cm. What is the radius of the cake? Use π=3.142. Write your answer in 2 decimal places.
(a)
Is C the diameter of the circle?
Yes
No
Calculate the arc length of the sector given in the picture. Use π=3.142. Write your answer in 3 decimal places.
(a)
A ball fits exactly into a square box as shown in the diagram. If the length of the box is 21cm, find the circumference of the circle. Use π = 3.142. Write your answer in 2 decimal places.
(a)
What does the shaded area represent?
(a)
Calculate the area of circle using π=3.142 .
50.27cm2
54.33cm2
45.75cm2
87.78cm2
What does the red line represent?
(a)
What is a chord?
Centre of the circle
A straight line between 2 circumference that pass through the centre
Perimeter of the circle
A straight line between 2 circumference that do not pass through the centre
Given OK=4cm and KM=3cm. Find the length of OM.
(a)
The diagram shows a circle with a radius of 15cm. Find the length of major arc RS using π=722.
75.42cm2
75.43cm2
75.44cm2
75.45cm2
Calculate the area of major sector MON when
π=3.142. Write your answer in 2 decimal places. Don't write the unit.
(a)
PRT is a right-angled triangle. R is the centre for the quadrant. Given RT=24cm, PR=RT and PQ=24. Calculate the perimeter of the quadrant. Use π = 3.142. Write your answer in 2 decimal places.
(a)
How many axis of symmetry does a circle has?
(a)
Given diameter is 50cm. Find the value of the radius.
(a)
This is an arc length; a part of the circumference.
Yes.
No.
This is a segment; an area bounded by an arc and a chord.
Yes.
No.
This is an arc length; a part of the circumference. What's the formulae?
Arc length =360x×2πr
Arc length =360x×πr2
This is a sector; an area bounded by an arc and two radii.
Yes.
No.
This is a sector; an area bounded by an arc and two radii. What's the formulae?
Area of sector =360x×2πr
Area of sector =360x×πr2
This is a chord; a straight line joining any two points on the circumference.
Yes.
No.
This is a diameter; a straight line joining two points on the circumference and passing through the centre.
Yes.
No.
This is a diameter; a straight line joining two points on the circumference and passing through the centre.
Diameter = 2 (radius)
Radius = 2 (diameter)
This is a radius; a straight line from the centre to the circumference of the circle.
Yes.
No.
This is a circumference; the perimeter of a circle. What's the formulae?
Circumference =2πr
Circumference =2πd
This is a circumference; the perimeter of a circle. What's the other formulae?
Circumference =πd
Circumference =πr
What's the formulae for the area of circle?
Area =πr2
Area =2πr
What's the other formulae for the area of circle?
Area =2πd2
Area =4πd2
What's the common values of π ?
722
3.142
3.143
723
This is a diameter; a straight line joining two points on the circumference and passing through the centre.
Radius =2diameter
Radius =2 (diameter)
What is the circumference of this circle?
(Use π = 3.14)
452.39 cm
75.36 cm
452.16 cm
75.40 cm
The diagram shows a circle with centre O. Given OF = 6.5 cm and EG = 5 cm, calculate the area of the shaded region, in cm2 . Give answers correct to two decimal places. (Use π = 3.142)
107.25 cm2
102.75 cm2
102.57 cm2
107.52 cm2
What is the part of a circle which enclosed by two radii and an arc?
Segment
Chord
Sector
Centre
The diagram shows a rectangular piece of land owned by Encik Rashid. Encik rashid divided his land into 3 parts. The first part is a triangle KLM. K is the midpoint of JL and M is the midpoint of LN. The second part is semicircle. Encik Rashid intends to plant vegetables in the first and second part. Calculate the area that is not planted with vegetables (Use π = 3.142)
129.2 cm2
123.9 cm2
122.9 cm2
129.9 cm2
