the ratio of the radii of two circle is 2: 3. find the ratio of their areas .if the area of the bigger circle is 3123 square cm,
find the area of the smaller circle
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Answer:
4:9
1388 cm^2
Step-by-step explanation:
area directly proportinal to radus^2
radius 2:3
area 2^2:3^2
4:9
small circle area = (3123/9)*4
= 347*4
= 1388 cm^2
=
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