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dsp73
3 years ago
5

01:09:23

Mathematics
1 answer:
rjkz [21]3 years ago
5 0

Answer:

The formula for circumference of a circle is

2pi,R.

In which R= radius. Then we Insert 18 in for the circumstances.

so, 18=2πr

then solving for r

18=2

÷. ÷

2. 2

R = 9,,

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Zielflug [23.3K]

Answer:

100

Step-by-step explanation:

Okay so I'm not 100% sure but I think it's 100 because:

Angle B and D are the same, so the 12.5 areas will be the same (I honestly suck at explaining I'm really sorry.) But, if you add the sides from angle B and D it will be 50 because 12.5 + 12.5 + 12.5 + 12.5 (or 12.5 * 4). Meanwhile, For angle A and C, both outsides are the same as the other side.

I'm so sorry I can't explain the problem well but once you add them:

11.5 + 11.5 + 12.5 + 12.5 + 12.5 + 12.5 + 13.5 + 13.5 = 100

4 0
3 years ago
Hello - I won't be able to go to bed if I don't solve this thing.
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Now part b

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7 0
3 years ago
Read 2 more answers
The area of the entire rectangle to the right is x(x+4). Find another expression for this area by finding the sum of the areas o
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Answer:

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Step-by-step explanation:

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7 0
3 years ago
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