Question

The ratio of the sides of a parallelogram is 3:5.If the perimeter is 80 cm, find the measure of each side.​

Answer 1

Answer:

15cm and 25cm

Step-by-step explanation:

let the side of parallelogram be 3x and 4x

and perimeter = 80

then , 2(3x+5x)= 80

then 8x = 80/2

and x= 40/8=5

hence the side of parallelogram = 15cm and 25cm

Answer 2

Answer:

let find side

let x is common factor

2(3x+5x) = perimeter

2(3x+5x) = 80

3x+5x = 80÷2

8x = 40

x = 40÷8

x = 5

hence measure of each side is

3x is first side

5x another side

3x = 3×5 = 15

5x = 5×5 = 25

15,25 are Side of that parallelogram

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