Question

9. Find the perimeter of a rectangle whose adjacent sides are 3x - 5y - 4z and x - 3y + 5z.
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Answer 1

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--Here you go--

Perimeter of rectangle is = 2(l+b)

=2(3x-5y-4z+x-3y+5z)

=2(3x+x-5y-3y-4z+5z)

=2(4x-8y+z)

=8x-16y+2z

Therefore, Perimeter is 8x-16y+2z

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Answer 2

Answer:

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