Answer:
Step-by-step explanation:
W=2L-2
A=72
LW=72
L(2L-2) = 72
2L^2 -2L= 72
2L^2 -2L-72=0
L^2 - L -36 = 0
L= -5.52 or 6.52(neg # not a solution)
W=11.04
L=6.52
DIAG = = 12.82
~~~~~~~~~~~~~~
18. b
19. b
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Answer: x=11
Explanation: See below!
I hope this helped!
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