3 years ago

The diameter of a circle is a chord that _______ passes through the center of the circle.

1 answer:

5 0

The answer is A. Always.
The diameter of a circle is a line that goes from one side to the other hence passing through the center!
Hope this helped!

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What is cos (x)? 48/58 58/48 26/58 58/26

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We have to calculate the length of the missing side.
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$a^2+32^2=58^2\\\\a^2+1024=3364\ \ \ |-1024\\\\a^2=2340\to a=\sqrt{2340}\\\\a=\sqrt{36\cdot65}\\\\a=6\sqrt{65}$

$\cos x=\dfrac{6\sqrt{65}}{58}=\dfrac{3\sqrt{65}}{29}$

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