Question: An isosceles triangle is a triangle with two equal sides. The following theorem holds: If (Delta) is a triangle with two equal angles, then (Delta)

An isosceles triangle is a triangle with two equal sides. The following theorem holds: If \(\Delta\) is a triangle with two equal angles, then \(\Delta\) is an isosceles triangle.

(a) What is the hypothesis?

(b) Show by providing a counterexample that the hypothesis is necessary.

(c) What is the contrapositive?

(d) What is the converse? Is it true?

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