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Aviannakelly
25.08.2019 •
Mathematics
The area of a rectangle is 128 sq. ft. if the width is twice the length, what is the measure of the length of the rectangle?
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Ответ:
A = LW*1/2
A = The area of a rectangle
L = the height of the triangle
W = the base of the triangle
If the equation is one unknown to solve them quickly .
A = 128sq.ft
L = ?
W = 2L
substitute values into the formula
A = L * W *1/2
128sq.ft = Lft. * (2Lft) *1/2
128 = L²
L = √128 = 8√2
W = 2L = 2*8√2 = 16√2
Ответ: