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A factory worker is welding a rectangular steel plate. The rectangle is 4√3 inches wide and 6√6 inches long . What is the area of the steel plate in square inches? Choose the correct expression.
 Oct 18, 2013

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 #1
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4 square root 3 = 6.9 (1dp)
6 square root 6 = 14.7 (1dp)

area of a rectangle = base x height

6.9 x 14.7 = 101.43
 Oct 18, 2013
 #2
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Khadar's answer is good but I suspect that you need a surd answer.

4root3 * 6root6
=4*6*root3*root6
=24root18
=24root(9*2)
=24*root9*root2
=24*3*root2
=72root2 inches square
 Oct 19, 2013

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