Question

if the length and perimeter of rectungular box are 10cm and 30cm respectively find its width​

Answer 1

Answer:

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Answer 2

Answer:

perimeter of retangular box = 30 CM

length = 10cm

perimeter of rectangle = 2( l+ b)

30 CM = 2( 10 + b)

30 cm = 20 + 2b

30 - 20 = 2b

10 = 2b

b = 10/2 = 5

so the width is 5 CM