Answer:
Explanation:
I believe you meant that the area is 60 m².
Since A = L·W,
here your 60 m² = L·W = L·(20 m)
We must solve this for L. To do so, divide 60 m² by 20 m:
60 m²
---------- = 3 m This is the length, if the width is 20 m.
20 m
Answer: The length is 3.
A = w*l
60 = 20 * l
60/20 = 3
60 = 20 * 3
l = 3
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