Question

Which of the following measures can be side lengths of a triangle?
A)2, 9, 12

B)
4, 4, 7

C)3, 5, 8

Answer 1

Answer:

Option B) 4,4,7

Step-by-step explanation:

The sum of two sides should be greater than the longest side.

4+4 = 8 > 7, So it forms a triangle.

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Answer 2

The side of a triangle follows the condition,

The sum of the two sides of the triangle should be greater than the third side.

$4+4 > 7\\8 > 7$

Only Option B) 4,  4, 7 is valid as per the condition.

4, 4, 7 can be the side lengths of a triangle.