The three sides of a triangle are x + 1, 2x – 1 and 2x + 1 respectively and the perimeter is 26 cm. The length of the smallest side is—

1. The three sides of a triangle are x + 1, 2x – 1 and 2x + 1 respectively and the perimeter is 26 cm. The length of the smallest side is—

[Officer-2019 [MCQ] : 2019]

1. 5 cm

2. 3 cm

3. 4 cm

4. 7 cm

Answer

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