Question

the perimeter of a parallelogram is 70 cm if the measure of one side b 20 cm find the measure of the adjacent side​

Answer 1

Answer:

let the bradth be x

so length =5+x

:perimeter of parallelometer =2(l+b)

(parallelogram is a type of rectangle)

2(5+x+x)=70

2(5+2x)=70

10+4x=70

4x=70-10

4x=60

x=60/4

x=15cm

here length = 5+x

so length = 5+15

=20cm

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Answer 2

Answer:

The answer is 15.

Explanation:

As the perimeter is 70cm then,

Let the adjacent side be x, so,

=(2x)+(2×20)=70

=2x=70-40

=x=30/2

Therefore, x=15.

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