Answer:
12m
Step-by-step explanation:
Given that the area of the square DVD case is 144 square cm
Since Area = L²
144 =L²
L = √144
L = 12m
Since the width of the DVD and its case are the same, hence the with of the DVD is also 12m
there is only one zero
Step-by-step explanation: and if it easy why you didint do it just ascking
The solution is in the attachment
756.748
50x20=1000+500= 1500
50x50=2500+500=3000
132 cm²
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