🎯 SAT Exam Prep

What is the arc length of a 90° sector with radius 8?

A 4π
B 2π
C 8π
D 16π

✓ Correct Answer: Option A

Arc length = (θ/360°) × 2πr = (90/360) × 2π(8) = (1/4)(16π) = 4π.

💡 Why is A) the correct answer?

The correct answer to the question "What is the arc length of a 90° sector with radius 8?" is Option A: 4π.

The other options — B) 2π, C) 8π, D) 16π — are incorrect for this SAT Exam Prep question. As explained above: Arc length = (θ/360°) × 2πr = (90/360) × 2π(8) = (1/4)(16π) = 4π.

📚 About This SAT Exam Prep Practice Question

This 2-level SAT Exam Prep question from the Math (Calculator) 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 SAT Exam Prep practice test or use flashcards for spaced repetition review.

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