Examples with solutions for Parts of a Triangle: Identify the greater value

Exercise #1

ΔABC is a scalene triangle with acute angles.


Which angle is larger,
C ∢C or A ∢A ?

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Video Solution

Answer

There is no way to know.

Exercise #2

ABC is an isosceles triangle

(A ∢A is the predominant angle).

Which angle is larger,B ∢B orC ∢C ?

AAACCCBBB

Video Solution

Answer

C=B ∢C=∢B

Exercise #3

Triangle ABC is an obtuse triangle.

Which angle is larger, B ∢B or A ∢A ?

AAABBBCCC

Video Solution

Answer

∢B>∢A

Exercise #4

ABC is an equilateral triangle.

Which angle is larger, B ∢B orA ∢A ?

AAABBBCCC

Video Solution

Answer

A=B ∢A=∢B

Exercise #5

The triangle ABC is a right triangle.

Which angle is larger, B ∢B or A ∢A ?

AAABBBCCC

Video Solution

Answer

∢A>∢B