Ask Question
25 March, 07:58

How much greater, in square inches, is the area of a circle of radius 20 inches than a circle of diameter 20 inches? Express your answer in terms of pi.

+3
Answers (1)
  1. 25 March, 11:38
    0
    300π in²

    Step-by-step explanation:

    The circle with diameter 20 inches has a radius of 10 inches, so an area of ...

    A = πr² = π (10 in) ² = 100π in²

    The circle with a radius of 20 inches has an area of ...

    A = πr² = π (20 in) ² = 400π in²

    The larger circle is larger by ...

    (400π in²) - (100π in²) = 300π in²
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “How much greater, in square inches, is the area of a circle of radius 20 inches than a circle of diameter 20 inches? Express your answer in ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers