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Angles in Triangles Worksheets
The angle formed between two adjacent sides of a triangle is called an interior angle. The sum of all of the measures of the interior angles in a triangle is 180∘.
An angle formed between a side of the triangle and an adjacent side extending outward is called an exterior angle. The exterior angle of a triangle is equal to the sum of the two opposite interior angles.
In the above diagram a, b, and c are the interior angles. x, y, and z are the exterior angles
Angles in Triangles worksheets free download pdf
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Verifying Angles - Form a Triangle
Verifying Angles - Form a Triangle
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Find the Missing Interior Angle - Level 1
Find the Missing Interior Angle - Level 1
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Find the Missing Interior Angle - Level 2
Find the Missing Interior Angle - Level 2
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Find the Three Interior Angles
Find the Three Interior Angles
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Find the Missing Exterior Angle - Level 1
Find the Missing Exterior Angle - Level 1
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Find the Missing Exterior Angle - Level 2
Find the Missing Exterior Angle - Level 2
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