Circle calculations
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
. Mohyee
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the area of this circle.
Take
=3.142
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the area of this semicircle ?
d = 8 cm
Take
=3.14250.272 cm2
80 cm2
200.9 cm2
25.1 cm2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the formula to find the area of a circle?
πr2
2πr
√π
π2r
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the formula to find the circumference of a circle?
πr2
2√π
√π
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Work out the perimeter.
=3.14220.568 cm
12.562 cm
30 cm
20 cm
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the circumference.
Take
=3.14260.4 cm
40 cm
62.8 cm
55.6 cm
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If the diameter of a circle is d=28 cm. What is its radius
r=10 cm
r=14 cm
r=13.5 cm
r=28 cm
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