Determine the type of triangle if its sides are 11, 12, 15cm.

univerkov | November 27, 2020 | education

Let’s deal with this task. Solution: Suppose C is the big side, then: C ^ 2A ^ 2 + B ^ 2 – obtuse C ^ 2 = A ^ 2 + B ^ 2 – rectangular Based on this, we have the following: 15 ^ 2 = 11 ^ 2 + 12 ^ 2 225 <265 This means that this triangle is acute-angled.

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