AMC / AIME · Triangle Inequality · Easy

Triangle Inequality: A triangle has sides math. Is it isosceles? Type math for yes.

Existence and bounds.

Try the problem

A triangle has sides 5,5,85,5,8. Is it isosceles? Type 11 for yes.

Hint and answer

Concept to use

Basic inequality.

Hint

The sum of two sides must exceed the third.

Answer

1

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