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Kaylis [27]
3 years ago
5

Calculate the length of the circumference of a circle with diameter of 8cm

Mathematics
2 answers:
algol [13]3 years ago
6 0
The circumference of ANY circle is (pi) x (the circle's diameter).

So the circumference of THIS one is  8pi cm.

That's roughly  25.133 cm.  (rounded)
stiks02 [169]3 years ago
5 0
Multiply 8 with pi since the equation for circumference is 2pi(r), or d(pi). The answer is 25.13
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<u>Solution:</u>

Given, Devon records 4 hours of reality shows on her DVR  

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We have to find the number of half-hour sittings needed to watch all the shows

Now, number of half hour sittings is given as

=\frac{\text { total time of videos }}{\text { time for hlaf hour sitting }}

\begin{array}{l}{=\frac{4 \text { hours for reality shows }+\frac{3}{2} \text { hours for comedy shows }}{\frac{1}{2} \text { hours for each sitting }}} \\\\ {=\frac{4+\frac{3}{2}}{\frac{1}{2}}=\frac{\frac{8+3}{2}}{\frac{1}{2}}=\frac{\frac{11}{2}}{\frac{1}{2}}=\frac{11}{2} \times \frac{2}{1}=11}\end{array}

Hence Devon needs 11 sittings

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3 years ago
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The diameter of a circle is 8 inches. what is the area?
Rudik [331]

Answer:

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Step-by-step explanation:

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