Add and Subtract Square Roots · Exercise 85
A decorator decides to use square tiles as an accent strip in the design of a new shower, but she wants to rotate the tiles to look like diamonds. She will use 9 large tiles that measure 8 inches on a side and 8 small tiles that measure 2 inches on a side. Determine the width of the accent strip by simplifying the expression . (Round to the nearest tenth of an inch.)
OpenStax, Elementary Algebra 2e · §9.3 Add and Subtract Square Roots · Exercise 85
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