The Width Of A Rectangle Is 2 Inches Shorter Then The Length And The Perimeter Is 80, So What Is The Equation For The Perimeter Involving Only L? The Length Of The Rectangle. Algebraically Find The Width Also.
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Formula:
Perimeter - width x 2
workings:
80 - (2 x 2)
=76
76/2
=38
to check your answer use this formula 2x(L+W)
=2x(38+2)
=80
answered 8 months ago
Suppose,
width = w
and
Length = L
W = L -2
Perimeter is the sum of all the sides. In a case of rectangle, it will be,
2(L+W) = 80
2(L+L -2) = 80
2 (2L-2 ) = 80
4L - 4 = 80
4L = 84
L = 21
W = L -2
W = 21-2
W = 19
answered 8 months ago
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sparkles, you have not understood the question. My answer is very right. Read the question again, it says that Width Of A Rectangle Is 2 Inches Shorter Then The Length. It does not say that width is 2 inches... (which you have understood and calculated accordingly)
comment made by Taimur 8 months ago
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