What is the area of a circle with a radius of 18 units?
Difficulty: Medium
About this MCQ
Medium SAT item. Correct choice: C. 324π.
- A. 18π
Why not A: “18π” is not 324π.
- B. 648π
Why not B: “648π” is not 324π.
- C. 324π ✓
- D. 36π
Why not D: “36π” is not 324π.
Correct answer
C. 324π
Explanation
324π is the value that answers “What is the area of a circle with a radius of 18 units” (option C). Option A (18π) is a different value from 324π. Option B (648π) is a different value from 324π. Option D (36π) is a different value from 324π. Keep 324π as the SAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: SAT, Math, American Exams, Geometry
Submitted by: MCQsHub Editorial
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