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Use of Algebraic Expressions in Formula of Perimeter of Figures

Out of the fo...

Question

Question 16

Out of the four options, only one is correct. Write the correct answer.

The length of a side of a square is given as 2x + 3. Which expression represents the perimeter of the square?

(a) 2x+16
(b) 6x+9
(c) 8x+3
(d) 8x+12

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Solution

Given, side of the square = (2x+3)
$∴ P e r i m e t e r o f s q u a r e = 4 \times (S i d e)$
$= 4 \times (2 x + 3) = 8 x + 12$

Option (d) is correct.

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Use of Algebraic Expressions in Formula of Perimeter of Figures

Standard VII Mathematics

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