The length of a rectangular mirror is 3xs the width. The perimeter is 120cm. What is the length and width? - rectangular mirror
L = 3 W
P = 2L + 2W = 120
2 (3W) + 2 W = 120
8 W = 120
W = 15
L = 45
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Wednesday, December 23, 2009
Rectangular Mirror The Length Of A Rectangular Mirror Is 3xs The Width. The Perimeter Is 120cm. What Is The Length And Width?
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