Posted by Jerald on Tuesday, January 14, 2014 at 5:44pm.
A rectangular piece of metal with 4 equally sized circular holes have a diameter of 12 cm cut from it. Calculate the area of metal after the holes have been cut out
339.12cm squared
Rectangle formula : l x w
Circle : π × r2

Math  Damon, Tuesday, January 14, 2014 at 5:57pm
L W  4 (pi D^2/4)
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