Question

question question number fifth touch this photo​

Answer 1

Answer:

20 cm is the perimeter.

4 cm is it's breadth

let the Length be x

formula of the perimeter of the rectangle=2(L+B)

20=2(x+ 4)

20= 2x+8

20-8 = 2x

12= 2x

12÷2 = x

6cm =x =answer

hope this helps

Answer 2

Answer:

perimeter of rectangle = 20

So, 20 = 2(L+B)

= 2L+ 2×4

=2L + 8

20= 2L +8

20-8 = 2L

12 = 2L

6 = Length

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