Triangle Basics 2024 - JN

Front

What are the angles of a triangle named from SMALLEST to LARGEST?

Back

Front

What is the Triangle Inequality Theorem?

Back

The Triangle Inequality Theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

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What is the Hinge Theorem?

Back

The Hinge Theorem states that if two sides of one triangle are congruent to two sides of another triangle, then the larger angle is opposite the longer third side.

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What is the Converse of the Hinge Theorem?

Back

The Converse of the Hinge Theorem states that if two sides of one triangle are congruent to two sides of another triangle, then the longer third side is opposite the larger angle.

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What is the definition of an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

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What is the definition of an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle greater than 90 degrees.

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What is the definition of a right triangle?

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A right triangle is a triangle that has one angle equal to 90 degrees.

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What is the sum of the angles in a triangle?

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The sum of the angles in a triangle is always 180 degrees.

Front

If two sides of a triangle are 2 and 6, which of the following lengths cannot form a triangle?

Back

The length that cannot form a triangle with sides of 2 and 6 is 4.

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