Geometry CA3 Review

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What is an exterior angle of a triangle?

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An exterior angle of a triangle is formed by one side of the triangle and the extension of an adjacent side. The measure of an exterior angle is equal to the sum of the measures of the two opposite interior angles.

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Back

Front

What is the sum of the interior angles of a triangle?

Back

Front

How do you find the measure of an unknown angle in a triangle?

Back

Front

What type of triangle has all sides of different lengths?

Back

A triangle with all sides of different lengths is called a Scalene triangle.

Front

What type of triangle has at least two sides of equal length?

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A triangle with at least two sides of equal length is called an Isosceles triangle.

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What is an acute triangle?

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Front

What is an obtuse triangle?

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Front

What is a right triangle?

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Front

What is an equilateral triangle?

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