44. The 5 congruent circles shown in the diagram below have their centers lying on the same diameter of the larger circle. Each circle is tangent to 2 other circles. If the area of each small circle is 4π square units, what is the area, in square units, of the larger circle?

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation

From the area of ​​the small circle 4π, the radius of the small circle can be deduced to be 2, so the radius of the large circle is 2 × 5=10. The area of ​​a great circle is π102=100 π.