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Nookie1986 [14]
2 years ago
6

The circumference of a circle is 9 pi m. What is the area, in square meters? Express

Mathematics
2 answers:
Ksivusya [100]2 years ago
8 0

Answer:

20.25 m²

Step-by-step explanation:

the area (A) and circumference (C) of a circle are calculated using the formulae

C = 2πr and A = πr² ( where r is the radius )

calculate the radius using the formula for circumference

2πr = 9π ( divide both sides by 2π )

r =  =  = 4.5, hence

A = π × 4.5² = 20.25π m²

Ad libitum [116K]2 years ago
4 0

Answer:

Solution,\\Circumference=9\pim \\Diameter(d)=9\pi /\pi =9m\\Radius(r)=9m/2=4.5m\\Now,\\ Area=\pi r^{2} \\Area=\pi *(4.5m)^{2} \\Area=\pi *20.25m^{2} \\Area=20.25\pi m^{2}

Step-by-step explanation:

Hope it will help you a lot.

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Need help with all this
Inessa [10]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ To find the mean, add up all the numbers and divide by the amount of numbers there are. To find the range, subtract the highest number by the  lowest number in the data set.

2. Mean = 35  Range = 78

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~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

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