The ratio of area of two squares is 25 : 121. The ratio of their perimeter is:-
Answer & explanation
Correct answer: option 2
Area 25 : 121
∴ Side 5 : 11 *(side ratio = \(\sqrt {area\;ratio}\))
∴ Perimeter 5 : 11 *(perimeter ratio = side ratio)
The ratio of their perimeter = 5 : 11