Math, asked by sapkalsanchita9, 2 months ago

The length of a restangle is twice its breadth what is the length a it the perimeter is 90cm?

Answers

Answered by anvitanshika
0

Answer:

as   l = 2b and 2( l+b)= 90

putting value sin equation 2 we get

2(2b+b )=90

b=15  so l= 30

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