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What is the length of CD¯¯¯¯¯¯¯¯?

What is the length of CD¯¯¯¯¯¯¯¯?-example-1
User Yan QiDong
by
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1 Answer

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Answer:

23 units

Explanation:

Since both lines are chords, they're equal in length. This means we can set them equal to each other.

2x + 2x +2 = 15 + 8

This becomes 4x + 2 = 23.

Subtract two from each side to get 4x = 21.

Now divide by 4 to isolate x.

This makes x = 5.25.

Now we take the 5.25 and substitute it into the 2x + 2x + 2. This equals 23 units

User Jspurlock
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