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How many times greater is the area of circle 1 than the area of circle 2? Circle 1 =18mm Circle 2 =6mm

How many times greater is the area of circle 1 than the area of circle 2? Circle 1 =18mm Circle 2 =6mm
asked 29.6k views
11 votes
How many times greater is the area of circle 1 than the area of circle 2?

Circle 1 =18mm
Circle 2 =6mm

asked
User Yiwen
by
7.4k points

1 Answer

14 votes

Answer:

9 times

Explanation:

Radius R₁ = 18 = 3 * 6 = 3R₂

Area A₁ = πR₁² = π(3R₂)² = 9 * πR₂² = 9A₂

answered
User Matt Whetton
by
8.0k points
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