Solvetheproblem perimeter -40cm we haveto find out the lengthand breadth area-100sq. Cm
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Answer:
10 cm and 10 cm
Step-by-step explanation:
2L + 2b = 40 cm
L + b = 20 cm
Lb = 100
L[20-L] = 100
20L - L^2 = 100
L^2 - 10 L - 10 L + 100 = 0
L = 10
LB = 100
B = 10
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