Transcript Inequalities in 2 triangles and indirect proofs

Ch 5.6
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We will look at the properties of the Hinge
Theorem.
Learn a new kind of proof.
ACB
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In an indirect, you assume that whatever
you want to prove is false and then find a
counterexample.
Yeah, we are
learning another
kind of proof.
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Prove: All even numbers are divisible by 2.
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Prove: All squares are quadrilaterals.
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Prove: All perpendicular bisectors do not
intersect inside a triangle.
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Given: x is a perfect square.
Prove: The square root of x is a whole number.