Question

perimeter topic....​

Answer 1

Answer:

it means breadth is 4

Step-by-step explanation:

perimeter is 2 (l +b)

2×6+x=20

12+2x=20

20-12=8

2x=8

x=4

Answer 2

Answer:

breadth = 4 cm

Step-by-step explanation:

Perimeter of a Rectangle = 2(l + b) = 20

                                          = 2(6 + b) = 20

                                          = 12 + 2b = 20

                                          = 2b = 20 - 12

                                          = 2b = 8

                                          = b = 8/2

                                          = b = 4

So , the breadth  of the rectangle = 4 cm

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