6

Set 1: Triangles

Explanation

Answer: C

In a triangular roof design, two of the angles measure 25° and 41°. What is the measure of the third angle?

A.

124

B.

57

C.

114

✓ Correct
D.

104

Detailed Explanation

Choice C is correct. The sum of angles in a triangle is always 180°. 1. Two known angles: 25° + 41° = 66° Third angle: 180° - 66° = 114° Therefore, the third angle is 114°.

Key Steps:

The correct answer is 114

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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