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Classification of Triangles Based on Angles

An obtuse tri...

Question

An obtuse triangle will have one and only one _______ angle.

A

acute

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B

obtuse

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C

scalene

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D

right angled

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Solution

The correct option is C obtuse
An obtuse triangle will have one and only one obtuse angle, because the sum of angles of a triangle is $180^{o}$ .
If there are two obtuse angles or an obtuse and a right angle the sum will exceed $180^{o}$ .

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