Step-by-step explanation:
84 = 2(l+b)
L+b = 84 / 2
L+b = 42
There fore..
Length is 42 and breadth is 42 - 8
1. Recall the vertical line equation.
2. Plug in the x that we know.
3. Write down the final equation
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Answer:
Smaller is 18 and larger be 30
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