The browser used by this site is rubbish and strips out most mathematical symbols. We cannot, therefore, see the symbols between a and b and between b and c. Some relationships are transitive and some are not and so it is not possible to answer the question.
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A conditional statement is true if, and only if, its contrapositive is true.
It's not possible to answer questions like this without the diagrams and accompanying statements. This should be obvious.
No, according to to the Triangular Inequality, A+B can never be larger than C.==========================Opinion #2:It seems to me that A+B must be larger than C,otherwise you can't make a triangle with them.
The inside angles of a triangle always add up to 180 degrees.If you mean angle a plus angle b equal 85 degrees, then angle c must be 95 degrees.If you mean angle a is 85 degrees and angle b is also 85 degrees, then angle c must be 10 degrees50 degrees :)
When in a triangle, for angle A, B, C; As the symmetric property of congruence , when ∠A ≌ ∠B then ∠B ≌ ∠A and when ∠A ≌ ∠C then ∠C ≌ ∠A and when ∠C ≌ ∠B then ∠B ≌ ∠C This is the definition of symmetric property of congruence.