A rectangular plot whose length and breadth are increased by 10% and
20% respectively. Find the increased percentage area of the rectangular plot.
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0
Answer:
It is 42 cm do substraction and find it
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2
Answer:
Let the Length of rectangle be = L [l - small L]
and Breadth be = b
Area of Rectangle = l*b
Area of normal rectangle = lb
Increased,
Length = l+10% or l+10/100 = 10L + 1L/10 = 11L/10
Breadth = b+20% or b + 20/100 = 5b + 1b/5 = 6b/5
Area of Increased Rectangle = L*b
= [11L/10] X [6b/5]
= 33/25 Lb
That is 33/25 X Area of regular Rectangle...
Hope It helps...
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gn Good Nite [N8]
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