Question

the diameter of two circles are 4cm and 6cm respectively find the ratio of their areas ​

Answer 1

Answer:

R1 = 2 cm

r2= 3 cm

area of circle 1= π r1²

= π x (2)²

= 4π

area of circle 2 = π r2²

= π (3)²

= 9π

area 1/area 2 = 4π/9π

area 1 / area 2 = 4/9

answer

Answer 2

Answer:

the diameter of two circles are 4cm and 6cm respectively find the ratio of their areas