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the perimetre of rectangle is 52 cm if two adjacent sides are(2X+3)cm and (X+5)cm find the area of rectangle

Asked by chaudharysn165 26th September 2018, 8:56 PM
Answered by Expert
Answer:

Perimeter of a rectangle = 2(l + b) 
                              52  =2(2x +3 + x + 5)
                              52  =2(3x + 8)
                              26  =3x + 8
                              x    = 6
Therefore,
the length of a rectangle = 2x +3 = 2 × 6 + 3 = 15 cm 
the breadth of a rectangle = x + 5 = 6 + 5 = 11 cm
 
Area of a rectangle = l × b = 15 × 11 = 165 cm2
Answered by Expert 27th September 2018, 11:20 AM
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