Why CANNOT a triangle be constructed with sides 4 cm, 5 cm, and 9 cm?

Type: MCQ • Marks: 1

A. Because 4 + 5 > 9 is false.

B. Because 4 + 5 = 9, which is equal to the third side, not greater.

C. Because it is an isosceles triangle.

D. Because 9 is an odd number.

Explanation

If the sum of two sides equals the third side, the three vertices lie on a single straight line (collinear), forming no triangle.

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Class 7th Ganita Prakash 2

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