Math, asked by srinithiprabusrinith, 1 month ago

Find the perimeter sum. 8 cm 5 cm

Answers

Answered by svik442026

1

Answer:

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Answered by kanakkalita992

0

Answer:

Perimeter of rectangle =2(l+b)

=2(8+5)cm=26cm

New length =(8+x)cm

New Breadth =(5+x)cm

Given 2(8+x+5+x)=26+2x

⇒2(13+2x)=52⇒13+2x=

2

52

=26

⇒2x=13⇒x=

2

13

=6.5cm

Therefore New Length =(8+6.5)cm =14.5cm

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