Question

he perimeter of their
6. If the areas of two circles are in the ratio 4:9, then the ratio of the perimeter
semicircles is
a. 2:3
b. 3:2
c. 1:2
d. 1:30

Answer 1

Answer:

getting radius of both circleas 2,3

then pie r+2r ratio pie R +2R

2(pie+2) ratio3(pie+2)

2ratio 3