4 years ago

What is the approximate circumference of a circle with radius 3?

Mathematics

2 answers:

mart [117]4 years ago

6 0

I’m guessing C, but I’m not for sure

malfutka [58]4 years ago

6 0

Answer:

Step-by-step explanation: Plug the radius into the formula 2 $\pi$ r so first you multiply the radius by 2, giving you 6 $\pi$ , next, multiply 6 by pi(3.14) and you will end up with 18.849, then you round up and end up with 18.85

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1. A quadrilateral has vertices A(0,0), B(8,0),C(7,5), and

babunello [35]

The formula for the distance between two points is

$d(A,B) = \sqrt{(A_x-B_x)^2+(A_y-B_y)^2}$

Note that, if two points have one coordinate in common, this formula simplifies to

$d(A,B) = |A_x-B_x|,\quad d(A,B)=|A_y-B_y|$

(the first if they share the y coordinate, the second if they share the x coordinate).

So, these are the lengths of the sides:

$d(A,B)=|8-0|=8$

(because they share the y coordinate)

$d(B,C) = \sqrt{(8-7)^2+(0-5)^2}=\sqrt{1+25}=\sqrt{26}$

(standard formula)

$d(C,D)=|7-3|=4$

(because they share the y coordinate)

$d(A,D) = \sqrt{(0-3)^2+(0-5)^2}=\sqrt{9+25}=\sqrt{34}$

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Help me Solve for x<br> -9x=5

lbvjy [14]

Answer:

x= -5/9

Step-by-step explanation:

Divide -9 from 5.

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A triangle has sides with lengths of 3 meters, 3 meters, and 5 meters. Is it a right triangle?

malfutka [58]

Answer:

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Quarters make up what part of the group coins ? Write the answer as a fraction in word form

qwelly [4]

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ki77a [65]

Answer:

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Step-by-step explanation:

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