Asked by V
the outside of a picture frame has a length which is 4 cm more than width. The area enclosed by the outside of the picture frame is 165 square cm. Find the width of the outside of the picture frame.
Answers
Answered by
Damon
L = w + 4
L w = 165
(w+4)w = 165
w^2 + 4 w - 165 = 0
(w+15)(w-11) = 0
w = 11
L w = 165
(w+4)w = 165
w^2 + 4 w - 165 = 0
(w+15)(w-11) = 0
w = 11
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