What is the circumference of a circle with a radius of 10 units?
Difficulty: Easy
About this MCQ
Easy ACT item. Correct choice: D. 20π.
- A. 22π
Why not A: “22π” is not 20π.
- B. 10π
Why not B: “10π” is not 20π.
- C. 100π
Why not C: “100π” is not 20π.
- D. 20π ✓
Correct answer
D. 20π
Explanation
20π is the value that answers “What is the circumference of a circle with a radius of 10 units” (option D). Option A (22π) is a different value from 20π. Option B (10π) is a different value from 20π. Option C (100π) is a different value from 20π. Keep 20π as the ACT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, Geometry, ACT
Submitted by: MCQsHub Editorial
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