Question

18. A 720 cm long rope is used to make a rectangular shape of length 240 cm, find the breadt
the shape obtained.​

Answer 1

Step-by-step explanation:

perimeter of rectangle=720cm

2(l+b)= 720

2(240+b)=720

480+2b=720

2b= 720-480

b=240/2

b= 120cm

hence, the breadth of rectangle is 120cm

Answer 2

Answer:

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Step-by-step explanation:

length of the rope = 720cm

since the rectangle has 4 sides, we have to multiply 240 with 2

length of the rectangle = 240*2 = 480

720-480 = 240

breadth = 240/2 = 120

therefore, we get the measures of the rectangle as follows:

side 1 : 240

side 2 : 120

side 3: 240

side 4: 120

the shape obtained is a rectangle