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प्रश्न
The length of a side of square is given as 2x + 3. Which expression represents the perimeter of the square?
विकल्प
2x + 16
6x + 9
8x + 3
8x + 12
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उत्तर
8x + 12
Explanation:
We know that, perimeter of the square = 4 × side
From the question it is given that, side length of the top of square table is 2x + 3
Then, perimeter = 4 × (2x + 3)
= (4 × 2x) + (4 × 3)
= 8x + 12
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