The perimeter of a square and rectangle are equal . Area of square is "169cm² ." Find the area of rectangle if length is "4cm" bigger than breadth
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The perimeter of a square and rectangle are equal . Area of square is "169cm² ." Find the area of rectangle if length is "4cm" bigger than breadth
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Answer:
Step-by-step explanation:
4*s = 2(l+b)
s = 2(l+b)/4
s= (l+b)/2
s² = 169
s = 13
13 = (l+b)/2
l+b = 26
l = b+ 4 ( l is 4cm bigger )
b+4+b = 26
2b = 22
b =11
l = 15
area of rectangle = l×b = 11 × 15
= 165 cm²