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Classifying triangles on basis of angle

Last updated at March 16, 2023 by

Classification of triangle on basis of angle - Teachoo.jpg

Now, in ∆ABC,

there can be 3 cases

  • All angles are acute
  • One angle is right angle (90°)
  • One angle is greater than 90° (i.e one angle is obtuse)

 

If all angles are acute, it is an acute angled triangle.

If one angle is right angle, it is a right angled triangle.

If one angle is greater than 90°, it is an obtuse angled triangle.

Classifying triangles on basis of angle - Part 2

Classifying triangles on basis of angle - Part 3

 

 

 

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Transcript

Now, in ∆ABC, there can be 3 cases All angles are acute One angle is right angle (90°) One angle is greater than 90° (i.e one angle is obtuse) If all angles are acute, it is an acute angled triangle. If one angle is right angle, it is a right angled triangle. If one angle is greater than 90°, it is an obtuse angled triangle. (a) is an acute-angled triangle (b) is a right-angled triangle (c) is an obtuse angled triangle (d) is a right angled triangle (e) is an obtuse angled triangle (f) is an acute angled triangle

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.