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vredina [299]
4 years ago
7

A dinner plate has a diameter of about 9 inches what is the circumference and area?

Mathematics
2 answers:
lukranit [14]4 years ago
7 0
Circumference~(pi)(diameter)~28.26
Area~ (pi)(radius)squared~63.59
I believe these are right
8090 [49]4 years ago
6 0
Circumference= DiameterxPi (3.14)
the circumference would be =28.26
and area = radiusxradiusxpi (3.14)
are would be =63.585
and don't forget units

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Please note that in such questions, the ":" stands for ratio which in turn stands for divide. Thus, the given expression which is:

3.8:(4c+3)=2:2\frac{2}{19} will become:

\frac{3.8}{4c+3}= \frac{2}{2\frac{2}{19}}.....(Equation 1)

Now, we know that 3.8 can be rewritten as \frac{38}{10}. Also, we know that the mixed fraction 2\frac{2}{19} can be re-written as:

2\frac{2}{19}=2+ \frac{2}{19}= \frac{38+2}{19}= \frac{40}{19}

Using the above two expressions in (Equation 1) we get:

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