9
Answer: DSet 5: Triangles
Explanation
Victoria is designing a triangular kite. Two angles measure 70° and 64°. Find the measure of the remaining angle.
A.
36
B.
56
C.
23
D.✓ Correct
46
Detailed Explanation
Choice D is correct. The sum of angles in a triangle is always 180°. 1. Two known angles: 70° + 64° = 134° Third angle: 180° - 134° = 46° Therefore, the third angle is 46°.
Key Steps:
•
The correct answer is 46
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.
C: This would give an incorrect result. Choice C is incorrect and may result from a calculation error.
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