82. The perimter of reaction gular wheet is
100 cm. If the tenght is 35cm.
find its breadth the area.
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Answer:
15 cm
Step-by-step explanation:
l=35cm
p=100cm
p=2*(l+b)
100=2*(35+b)
100=70+2b
100-70=2b
30=2b
b=15cm
Area = l*b
=35*15
=525cm²
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