Question

Choose the statement that is not true based on these diagrams.

38° + m∠2 + 108° = 180°

m∠A + 108° + 34° = 180°

m∠A = m∠2

m∠2 = 34°

Answer 1

C. m∠A = m∠2

Explanation:

Placing the interior angles of a triangle adjacent to each other forms a straight angle.

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Answer 2

m∠A = m∠2

Explanation:

38° + m∠2 + 108° = 180°

The above statement is true because the sum of angles on a straight line is 180°

m∠A + 108° + 34° = 180°

This is also true because the sum of angles in a triangle is 180°.

m∠A = m∠2

This statement is false because 34°≠32°

m∠2 = 34°

This statement is true because:

m∠2 = 180-38-108=34°