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Byju's Answer
Standard VII
Mathematics
Circumference of a Circle
Distance betw...
Question
Distance between compass pointer and pencil to trace a circle of diameter 24 cm should be
A
8 cm
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B
12 cm
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C
18 cm
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D
24 cm
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Solution
The correct option is
B
12 cm
The diameter is equal to twice the measure of the radius (d=2r).
Since, the pointer of the compass should be at the distance of radius of the circle.
∴ The distance between pointer and the pencil = 12 cm
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Similar questions
Q.
What should be the distance between the compass needle and the pencil tip to construct a circle of radius 6 cm?
Q.
The steps to draw two concentric circles of
given radius
(
r
1
)
=
6
cm and diameter
(
d
2
)
=
20
cm are:
Step 1 : Mark a point 'O' as the centre.
Step 2 : Measure the distance between the pointer and the pencil as 6 cm for the first circle.
Step 3 : Place the pointer at 'O' and rotate the compass to trace the first circle.
Step 4 : ?
Step 5 : Again, place the pointer at 'O' and rotate the compass to trace the second circle.
Choose from the given options the missing step.
Q.
While constructing a circle with a compass, the distance between the compass needle and the tip of the pencil is the radius of the circle.
Q.
Length of a chord of a circle is
24
cm and its distance from the centre is
5
cm. Find the diameter of the circle.
Q.
Find the distance of a perpendicular from the centre of a circle to the chord if the diameter of the circle is
30
c
m
and its chord is
24
c
m
.
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