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2 years ago

To find the circumference of a circle the length of the diameter is used.

Mathematics

2 answers:

lutik1710 [3]2 years ago

5 0

Answer:

circumference of a circle: pi*d

d is also 2r (2 times the radius)

dangina [55]2 years ago

3 0

There are several ways to find the circumference of a circle. It depends on what information you have. Some information helps, some doesn't.

You can calculate the circumference if you know the circle's radius, or its equation, or its diameter, or the length of a piece of it and the central angle formed by the piece.

On the other hand, if you know the circle's color, or its eccentricity, those won't help at all.

You use whatever you've got.

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33 34 and 35 please help

Kryger [21]

first you have to find the triangle, then you can move to the actual question.

x+30+80 = 180

x+110 = 180

x+110 - 110 = 180-110

x =70

now you can go to the actual question.

y + 70 = 180

y+70- 70 = 180-70

y = 110

there is your answer. hope this is helpful

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Lina20 [59]

Answer:

$\large\boxed{B)\ -\dfrac{1}{2}}$

Step-by-step explanation:

$-(-6x-5)=4(5x+3)\qquad\text{use the distributive property}\\\\-(-6x)-(-5)=(4)(5x)+(4)(3)\\\\6x+5=20x+12\qquad\text{subtrac 5 from both sides}\\\\6x=20x+7\qquad\text{subtract 20x from both sides}\\\\-14x=7\qquad\text{divide both sides by (-14)}\\\\x=-\dfrac{7}{14}\\\\x=-\dfrac{1}{2}$

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Answer:

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Step-by-step explanation:

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