Answered

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The base of a lampshade is in the
shape of a circle and has a diameter of
13 cm. What is the circumference, to
the nearest tenth of an cm, of the base
of the lampshade? (Use 3.14 for π.)

Sagot :

AL2006idn
This whole problem is only about a circle.  Let's not get confused by the rest of the lampshade.

The circumference of any circle is    (pi) times (the diameter) .

For this circle, it's      (pi) times (13 cm).

They told us what to use for (pi), so it's    (3.14) x (13 cm) = 40.82 cm

and that's all there is to it.
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