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Mathematics 72 Online
Paris:

Math help!

Paris:

1 attachment
Comerpickles:

I would say 9 for this one

Comerpickles:

I could be wrong

Paris:

Okay I trust you.

Paris:

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Comerpickles:

Bad choice and alrighty getting to this one. Gimme a few min

Paris:

Okay lol

Comerpickles:

It can be solved with the help of the attached figure As shown in the figure Triangle ABC is equilateral So, the measure of each angle of the triangle = 60° By drawing a circle of center M so that the vertices of the triangle lie on the circle ∴ M will be the center of the triangle The measure of arc AB = the measure of angle ∠ AMB = 2 *∠ ACB                                       = 2 * 60 = 120° convert to radian = 120 * π /180 = (2/3) π If we want to measure the length of the arc AB = [(2/3)π] * radius Radius = (1/3) height of triangle = (1/3) * (√3/2) x Where x is the length of the side of the triangle.

Comerpickles:

So your sol'n is 120

Paris:

Okay thank you.

Paris:

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Comerpickles:

Afraid I'm not so sure

Paris:

Okay.

Comerpickles:

Sorry

Paris:

Help me with more?

Paris:

No it's fine

Comerpickles:

Sure :)

Paris:

Okay

Paris:

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Comerpickles:

I say 21 2. Thats the best I could do

Paris:

21 ?

Comerpickles:

Oops, yea

Paris:

Okay

Paris:

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Comerpickles:

73

Paris:

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Comerpickles:

72

Paris:

@563blackghost

Paris:

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Comerpickles:

13? @563blackghost

Paris:

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Comerpickles:

5

Paris:

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Comerpickles:

Not sure

Paris:

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Comerpickles:

Wait, for the previous, the center is (-5,-3)

Paris:

I was thinking (-5, 3)

Comerpickles:

5,-3 I'm sorry

Paris:

okay

Comerpickles:

And this one is 8

Paris:

1 attachment
Comerpickles:

-5,4

Paris:

thats not an answer

Comerpickles:

Hmmm, wait I calculated wrong

Paris:

Oh okay

Comerpickles:

its A and remember this one? If measure of arc BC is 146, what is the measure of angle BDC? I was wrong. Its not 73, its 34

Paris:

(-2, -3)?

Comerpickles:

Yes

Paris:

Okay thanks a bunch!! <3

Comerpickles:

Did you pass?

Paris:

No. ;-; 50-100

Comerpickles:

Aww :(

Paris:

I know buts fine. THanks you helped a bunch!

Comerpickles:

Not if you failed

Paris:

It's okay I can try to bring it up lol

Comerpickles:

I still feel bad though

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