What type of triangle is formed by the side lengths below? 7cm 9cm 11cm A. Acute B. Right C. Obtuse D. Cannot form a triangle

A. Acute

Step-by-step explanation:

To start, determine whether you can form a triangle or not. In any triangle, the sum of any two sides must be greater than the third side. In this case, this holds true and we can definitely form a triangle.

Let be the longest side of the triangle and let and be the other two sides.

If , the triangle is acute.

If , the triangle is right.

If , the triangle is obtuse.

Substituting given information:

, therefore the triangle is acute.

the k side

step-by-step explanation:

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step-by-step explanation:

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