Answer:
The dimensions are 5.34 * 10.68 units to the nearest hundredth.
Step-by-step explanation:
If the width is x units then the length is 2x units.
Area = width * length
= x * 2x = 57
2x^2 = 57
x^2 = 28.5
x = 5.34 = width and
the length is 2*5.34 = 10.68.
Answer:
√114 = l
√114\2 = w
Step-by-step explanation:
{l = 2w
{57 = wl
57 = w[2w]
57 = 2w²
28½ = w²
√114\2 = w [Plug this back into both equations to get a length of √114]; √114 = l
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