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goldfiish [28.3K]
4 years ago
10

I don't understand the 30-60-90 or the 45-45-90 to solve for the whole shape

Mathematics
1 answer:
Leviafan [203]4 years ago
5 0
I'm guessing that you want to calculate the middle horizontal line.
The upper left triangle on the left is a 45 45 90 triangle.
The hypotenuse is 12 and so the leg is 12 * (1/square root of 2)
leg = 12 * <span> <span> <span> 0.7071067812 </span> </span> </span>
leg = <span> <span> <span> 8.4852813742 </span> </span> </span>
So that means the line = <span> <span> <span> 16.9705627485 </span> </span> </span>


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