MEDIUM
9th CBSE
IMPORTANT
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Can a triangle have:

Two right angles?

Justify your answer.

Important Questions on Triangle and its Angles

MEDIUM
9th CBSE
IMPORTANT
Mathematics Class 9>Chapter 11 - Triangle and its Angles>EXERCISE>Q 6

Can a triangle have two obtuse angles? Justify your answer.

MEDIUM
9th CBSE
IMPORTANT
Mathematics Class 9>Chapter 11 - Triangle and its Angles>EXERCISE>Q 6

Can a triangle have two acute angles? Justify your answer.

EASY
9th CBSE
IMPORTANT
Mathematics Class 9>Chapter 11 - Triangle and its Angles>EXERCISE>Q 6

Can a triangle have all angles more than 60°? Justify your answer.

MEDIUM
9th CBSE
IMPORTANT
Mathematics Class 9>Chapter 11 - Triangle and its Angles>EXERCISE>Q 6

Can a triangle have all angles less than 60°? Justify your answer.

MEDIUM
9th CBSE
IMPORTANT
Mathematics Class 9>Chapter 11 - Triangle and its Angles>EXERCISE>Q 6

Can a triangle have all angles equal to 60°? Justify your answer.

EASY
9th CBSE
IMPORTANT
Mathematics Class 9>Chapter 11 - Triangle and its Angles>EXERCISE>Q 7
The angles of a triangle are arranged in ascending order of magnitude. If the difference between two consecutive angles is 10°, find the three angles.
HARD
9th CBSE
IMPORTANT
Mathematics Class 9>Chapter 11 - Triangle and its Angles>EXERCISE>Q 8
ABC is a triangle in which ∠A=72°, the internal bisectors of angles B and C meet in O. Find the magnitude of ∠BOC.
HARD
9th CBSE
IMPORTANT
Mathematics Class 9>Chapter 11 - Triangle and its Angles>EXERCISE>Q 9
The bisectors of base angles of a triangle cannot enclose a right angle in any case.