A circle has radius 5 cm. What is its circumference, in terms of ?

Answer and explanation

Correct answer: A. cm

  1. Step 1: .
  2. Step 2: cm.
Answer
cm.
Why not the others: cm: This is the area. cm: The factor 2 was forgotten. cm: Twice the diameter was used.

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A circle has radius 5… | Egyptian STEM Schools Admissions Assessment