SOLUTION: The ratio of the area of two circle is 16/9. What is the ratio of their circumference? a. 4/3 b. 16/9 c. 32/18 d. 256/81

Algebra.Com
Question 241555: The ratio of the area of two circle is 16/9. What is the ratio of their circumference?
a. 4/3 b. 16/9 c. 32/18 d. 256/81

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
pi*r^2/pi*r^2=16/9 pi cancels out. area/area
r/r=4/3 sqrt of each side
2pi*r/2p*r=4/3 [2pi cancels out] circumf/circumf
.
Ed

RELATED QUESTIONS

What is the sum of the infinite geometric series 3/4-9/16+27/64-81/256+ ..? A. 3 b. 1... (answered by AnlytcPhil)
find the common ratio of the geometric sequence? 4, 16, 64, 256, 1024 a. 20 b. 16... (answered by MathLover1)
If the diameter of a circle is 1:5 times the diameter of a smaller circle, what is the... (answered by richwmiller)
in the given triangles the length xz is 50% greater than AC. the ratio of the areas is:... (answered by Theo)
I have a triangle with the ratio 2:3:4, if the perimeter is 72 cm, what is the length of... (answered by rfer)
Find all the real square roots of - 9/16 a) no real root b) -3/4 c) -3/4 and 3/4 d) (answered by Alan3354)
1Is the sequence geometric? If so, identify the common ratio. 1/4, 3/16, 9/64, 27/256, (answered by fcabanski)
Area of a circle is 100 times of another area of circle. What is the ratio of their... (answered by greenestamps)
the area of 2 circle are in ratio of 16:25 find the ratio of their circumference (answered by robertb)