McGraw Hill Integrated II, 2012
MH
McGraw Hill Integrated II, 2012 View details
7. Scale Drawings and Models
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Exercise 48 Page 605

4sqrt(15)

Practice makes perfect
We can simplify the expression by rewriting the number under the square root as the product of at least one perfect square factor.
sqrt(15 * 16)
sqrt(15)* sqrt(16)
4sqrt(15)