What is the area of a circle whose radius is 10 cm? (Give the answer in terms of pi.)

Answer and explanation

Correct answer: B. 100 pi square cm

  1. Step 1: Area = pi r squared.
  2. Step 2: = 100 pi square cm.
Answer
100 pi square cm.
Why not the others: 20 pi square cm, 10 pi square cm and 400 pi square cm do not fit.

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