4-6 -- Isosceles Triangle Theorem and its Converse - Medium

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converse of isosceles triangle theorem

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isosceles triangle theorem

triangle angle-sum theorem

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isosceles triangle theorem

triangle angle-sum theorem

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isosceles triangle theorem

triangle angle-sum theorem

Which of the following are true? Select all that apply.

• This is an isosceles triangle.

• This triangle has two congruent sides.

• This is an equilateral triangle.

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converse of isosceles triangle theorem

def of congruence

def of isosceles triangle

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isosceles triangle theorem

triangle angle-sum theorem

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isosceles triangle theorem

triangle angle-sum theorem

If two sides of a triangle are congruent, then the _________________ opposite those sides are congruent.

• sides
• vertices
• angles
• measures

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CCSS.8.G.A.2

For isosceles triangles, when we are given that two sides are congruent we can prove that ______________________.

• two angles are congruent

• the third side is congruent

• three angles are congruent

• no other relationships exist

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CCSS.8.G.A.2

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isosceles triangle theorem