10. The ratio of the circumference of two circles is 4: 1. Find the ratio of their areas.
Answers
Answered by
2
Answer:
16:1
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Answered by
2
Answer:
16 : 1
Step-by-step explanation:
Circumference of circle = 2πr
Area of circle = πr²
Let the radii of the circles be r and R.
Ratio of circumference = 2πr : 2πR
4 / 1 = r / R
Moreover,
Ratio of area = πr² / πR²
= r² / R²
= (r / R)²
= (4/1)² = 16:1
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