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2 years ago

Show work on how to match them

Mathematics

2 answers:

GenaCL600 [577]2 years ago

7 0

<h3>Answer:</h3>

C≈53.4 units

C≈28.3 units

C=20.4 units

C=75.4 units

<h3>Solution:</h3>

Circumference of a circle:
C=πd
Or
C=2πr
where
π=3.14...
d=diameter
r=radius
Plug in the values:
C=2π(8.5)
C=17π
C≈53.4 (match "radius=8.5 units" to "53.4 units")
C=π(9)
C≈28.3 units (match "diameter=9 units" to "28.3 units")
C=π(6.5)
C=20.4 units (match "diameter=6.5 units to "20.4 units")
C=2πr
C=2π(12)
C=24π
C=75.4 units (match "radius=12 units" to "75.4")

Hope it helps.

Do comment if you have any query.

AveGali [126]2 years ago

4 0

9.A
10.C
11.B
12.D
to find circumference you do C=D times pi if you are given the radius then you double the radius to get the diameter and do the equation

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