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Find the value of variable ‘x’ : If the perimeter of the following triangle is 15 cm |
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Answer» Perimeter of a triangle = 15 cm Perimeter = x + x + 2 + 2x – 3 = 4x – 1 ∴ 4x – 1 = 15 ⇒ 4x = 15 + 1 ⇒ 4x = 16 ⇒ x = 4 |
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