What is the area of a circle whose radius is 4 cm? (Give the answer in terms of pi.)

Answer and explanation

Correct answer: A. 16 pi square cm

  1. Step 1: Area = pi r squared.
  2. Step 2: = 16 pi square cm.
Answer
16 pi square cm.
Why not the others: 8 pi square cm, 4 pi square cm and 64 pi square cm do not fit.

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