Question

Find the perimeter of rectangle whose length is 2a+3b-4c and breath is 5a-5b-6c .​

Answer 1

Answer:

Perimeter is 14a-4b-20c

Step-by-step explanation:

We know that

Perimeter of rectangle=2*length +breadth

P=2*(2a+3b-4c + 5a-5b-6c)

P=2*(7a-2b-10c)

P=14a-4b-20c

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Answer 2

Answer:

Perimeter of rectangle = 14a-4b-20c

Step-by-step explanation:

Given: Length,l= 2a+3b-4c

Given: Length,l= 2a+3b-4c Breadth,b= 5a-5b-6c

Perimeter of the rectangle = 2(l+b)

= 2(2a+3b-4c+5a-5b-6c)

= 2(7a-2b-10c)

= 14a-4b-20c

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