if the perimeter and length of rectangle are 40cmand 13cm respectively find its breadth and area
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Step-by-step explanation:
Perimeter = 40 cm
Length = 13 cm
Breadth = ?
Perimeter = 2 × (length + breadth)
=> 40 = 2 × (13 + breadth)
=> 20 - 13 = breadth
=> breadth = 7 cm
Area = length × breadth
= 13 × 7 cm²
= 91 cm²
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