Length of rectangle is 13 CM more than thrice its breadth. If the perimeter of rectangle is 74 CM find its length and breadth
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length of rectangle, L= 13+3B
perimeterof rect.= 2(l+b)=74 cm
2(13+3B+B)=74
2(13+4B)=74
26+8B=74
8B=74-26
8B=48
B=48/8=6
L=13+3*6=13+18=31
length= 31 cm
breadth=6 cm
perimeterof rect.= 2(l+b)=74 cm
2(13+3B+B)=74
2(13+4B)=74
26+8B=74
8B=74-26
8B=48
B=48/8=6
L=13+3*6=13+18=31
length= 31 cm
breadth=6 cm
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