Question

the length of a rectangle is 4cm more than twice the breadth. if the perimeter is 80cm. find the length of that rectangle​

Answer 1

Answer:l=2b+4

perimeter of rectangle=2(l+b)

perimeter of this rectangle = 80 cm =2(2b+4+b)

80=2(3b+4)

80=6b+8

80-8=72=6b

72/6=12 cm =breadth

so length=2*12+4=24+4=28 cm

Step-by-step explanation:

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Step-by-step explanation:

Answer 2

Answer:

28cm

Step-by-step explanation:

If the width will be 12 cm, it states that the length "4cm more than twice of its breadth" so if 12x2=24+4=28

28 IS LENGTH

12 IS WIDTH

28+28+12+12=80