The angles in a triangle are 30°, 30°, and 120°. Is it true that the triangle is called an obtuse angled triangle?

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True

False

answer is A.

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Detailed Solution

Given, that the angles in a triangle are 30°, 30°, and 120°.
If a triangle consists of an angle greater than 90°, then the triangle is called an obtuse angled triangle.
In the given angles 120° is greater than 90°.
Hence, the triangle is called an obtuse angled triangle.
So, option 1 is correct.

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