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r-ruslan [8.4K]
3 years ago
5

The area of a circle is 201 cm². What is the diameter

Mathematics
1 answer:
natima [27]3 years ago
8 0

Answer:

The diameter would be 16

Step-by-step explanation:

The area of a circle is a=r^{2}×π. Now just plug in the values you have which is you area. 201=r^{2}×π now divide by pi on both sides you that you get about 64=r^{2}. Now find the square root on both sides which will then give you 8 as your radius. To find diameter from radius you have to multiply by 2. 8*2=16

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Which is the graph of the following equation?
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Given equation is

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The given equation is in the form of

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Now we find vertices

Vertices are (h+a,k)  and (h-a,k)

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So vertices are (9,2)  and (1,2)

Second graph having same vertices and center

The correct graph is attached below


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