Tuesday

October 21, 2014

October 21, 2014

Posted by **Anonymous** on Tuesday, September 28, 2010 at 7:39pm.

a) Original cone from which the slump test cone was derived had height of 600m. What was volume of original cone? Express answer to nearest cubic mm.

The formula for this is:

V = 1/3 * 3.14 * r2 * h

r2 means r squared, I can't make it small.

I went 100m * 200m and came up with the answer 20000. To get the radius I just divided 20000 by 2 and got 10000.

This is what I did:

1/3 * 3.14 * 10000 * 10000 * 600

I got 62800000000mm

Is that right?

- MATH -
**Reiny**, Tuesday, September 28, 2010 at 8:05pmjust sub into the formula

V = (1/3)πr^2 h

= (1/3)π(100^2)(600)

= (1/3)π(10 000)(600)

= appr. 6 283 185 mm^3

(you have to square 100 first, according to the rules of order of operation)

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