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The circumference of a circular clock is 31.4 inches.What is the diameter of the clock
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Jul 18, 2017
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The circumference of a circular clock is 31.4 inches.What is the diameter of the clock
Mathematics
middle-school
Arnav Motwani
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Arnav Motwani
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The circumference formula is
C =
r
We know the circumference, so lets find the radius and we will get the diameter.
31.4 = 2
divide by 2
to isolate r
=
2
and 2
cancels out.
0.4997 = r
0.5 in ≈ r (approximately)
Diameter is 2 × radius
2 × 0.5
1 in
John Bustos
answered
Jul 20, 2017
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John Bustos
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Circumference of a circle=πd
d=diameter
Circumference=31.4 in
π=3.141592654...
31.4 in=πd
d=3.14 in / π=0.999493...in≈1 in
Answer: diameter=1 in
Chishaku
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Jul 23, 2017
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Chishaku
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