📝 ACT Exam Prep

Two angles are supplementary. One measures 115°. What is the other?

A 65°
B 75°
C 55°
D 245°

✓ Correct Answer: Option A

Supplementary angles sum to 180°. 180 − 115 = 65°.

💡 Why is A) the correct answer?

The correct answer to the question "Two angles are supplementary. One measures 115°. What is the other?" is Option A: 65°.

The other options — B) 75°, C) 55°, D) 245° — are incorrect for this ACT Exam Prep question. As explained above: Supplementary angles sum to 180°. 180 − 115 = 65°.

📚 About This ACT Exam Prep Practice Question

This 1-level ACT Exam Prep question from the Mathematics topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free ACT Exam Prep practice test or use flashcards for spaced repetition review.

Related ACT Exam Prep Questions