6

Set 1: Triangles

Explanation

Answer: C

Michael is designing a triangular kite. Two angles measure 66° and 47°. Find the measure of the remaining angle.

A.

77

B.

57

C.

67

✓ Correct
D.

33

Detailed Explanation

Choice C is correct. The sum of angles in a triangle is always 180°. 1. Two known angles: 66° + 47° = 113° Third angle: 180° - 113° = 67° Therefore, the third angle is 67°.

Key Steps:

The correct answer is 67

Why others are wrong:
A: This would give an incorrect result. Choice A is incorrect and may result from a calculation error.
B: This would give an incorrect result. Choice B is incorrect and may result from a calculation error.
D: This would give an incorrect result. Choice D is incorrect and may result from a calculation error.

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