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I am doing a carpentry skills competition and the drawings that are provided will all be in metric. I am familiar with how to do calculate RLL in imperial, it just seems to fall apart when you multiply the slope by half the span. Also because its a competition, all I can use is a scientific calculator.
 

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3 4 5.

run times run plus rise times rise equals line length times line length.

a*a + b*b = c*c

and metric really doesn't suck once you get used to it. In fact it sure makes lots of stuff a lot more simple.
 

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3 4 5.

run times run plus rise times rise equals line length times line length.

a*a + b*b = c*c

and metric really doesn't suck once you get used to it. In fact it sure makes lots of stuff a lot more simple.
Thats why here in the USA we still use feet an inches, because the rest of the word have got it wrong, who wants to add in units of ten?,
unless its money, 10 cents = dime, 10 dimes = doller, :whistling
 

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Just figure it in feet and inches, then double it and add 30.

For example, a beer is equal to 32 ml.

zero degrees centigrade is 30 degrees fahrenheit.

two french girls = 34 american women. (this one is rather rough)
 
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