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प्रश्न
Which of the following can be the length of the third side of a triangle whose two sides measure 18 cm and 14 cm?
पर्याय
4 cm
3 cm
5 cm
32 cm
उत्तर
5 cm
Explanation:
Let the third side of the triangle be x cm.
Since, the sum of any two sides of a triangle is greater than the third side.
∴ 18 + x > 14, 14 + x > 18, 18 + 14 > x
⇒ x > –4, x > 4, 32 > x
Since, length can not be negative.
Thus, 4 < x < 32
Hence, the third side of triangle can be 5 cm.
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