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Question 1
What is the radius of a circle with 26.6 cm diameter?
Answer :
a) 39.9 cm
b) 26.6 cm
c) 13.3 cm
d) 6.67 cm
Question 2
If the circumference of a circle is 286 cm, what is its diameter?
Answer :
a) 91.0 cm
b) 45.5 cm
c) 45.0 cm
d) 22.5 cm
Question 3
What is the circumference of the circle shown above?
Answer :
a) 8π
cm
b) 16π
cm
c) 32π
cm
d) 50π
cm
Question 4
Find the perimeter of the semi-circle shown in the figure above.
Answer :
a) 51.4 m
b) 41.4 m
c) 25.7 m
d) 15.7 m
Question 5
A wheel with a diameter of 46 cm made 22 revolutions. What is the total
distance traveled by the wheel?
Answer :
a) 1012 m
b) 101.2 m
c) 10.12 m
d) 100.2 cm
Question 6
The figure above consists of 3 semi-circles arranged together.
What is the total area of the shaded area shown above?
Answer :
a) 242
π
cm²
b) 484
π
cm²
c) 760.5
π
cm²
d) 1521
π
cm²
Question 7
The figure above is made up of 4 identical quadrants. Find the total
area.
Answer :
a) 150 cm²
b) 200 cm²
c) 201.14 cm²
d) 211.10 cm²
Question 8
How many revolutions does a circle with radius 42cm need to make, in
order to move a distance of 22.44m?
Answer :
a) 8
b) 8.5
c) 7
d) 6.5
Question 9
The figure above shows 2 overlapping quadrants. Find the value of the
unshaded area if the shaded overlapping area is 70cm².
Answer :
a) 160cm²
b) 268cm²
c) 168cm²
d) 118cm²
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