The area of a rectangle is 54 square
2 answers:
Answer:
Width= 9 meters Length= 6 meters
Step-by-step explanation:
9 times 6 is 54
9 is 3 meters longer than 6 so 9 is the width.
This means 6 is the length
Answer:
w = 6 m
l = 9 m
Step-by-step explanation:
A = 54m² = l×w
l = w + 3
54 = w(w+3)
54 = w² + 3w
w² + 3w - 54 = 0
w² + 9w - 6w - 54 = 0
w(w + 9)-6(w + 9) = 0
(w - 6)(w + 9) = 0
w - 6 = 0 => w = 6 m
w + 9 = 0 => w = - 9 < 0 (F)
l = w + 3
l = 9 m
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