The ratio of area of two squares is 225 : 9. The ratio of their perimeter is:-
Answer & explanation
Correct answer: option 4
Area 225 : 9
∴ Side 15 : 3 *(side ratio = \(\sqrt {area\;ratio}\))
∴ Perimeter 15 : 3 *(perimeter ratio = side ratio)
The ratio of their perimeter = 15 : 3