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andrey2020 [161]
3 years ago
9

I had help but still don't understand plz help

Mathematics
1 answer:
erica [24]3 years ago
7 0
Two  parallel lines are intersect by the same line, and the angles shown lie on the same orientation about the intersection so the angles are equal to each other...which means:

9x+21=10x+10  subtract 21 from both sides

9x=10x-11  subtract 10x from both sides

-x=-11 divide both sides by -1

x=11
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Answer:

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Step-by-step explanation:

Diameter = 23 inches (given)

Radius = 11.5 inches

2 Chords of length = 14 inches ( You didn't specify if the 14 inches is for both chords or for a single cord. I'll assume it's for two cords 14 and 14inches apart.

To clearly solve this, we'll make some mild assumptions.

Let the perpendicular distance of the chords from the center of the circle to represented as " x and y"

Therefore:

x^2 + 7^2 = 11.5 ^ 2

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x^2 = 132.25 - 49

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Since the cords have thesame length (Assumed from the way the question was structured, the distance would still be thesame)

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y = √ 83.25

y = 9.12 inches

Therefore, the distance will be :

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