The ratio of area of two squares is 121 : 169. The ratio of their perimeter is:-
Answer & explanation
Correct answer: option 2
Area 121 : 169
∴ Side 11 : 13 *(side ratio = \(\sqrt {area\;ratio}\))
∴ Perimeter 11 : 13 *(perimeter ratio = side ratio)
The ratio of their perimeter = 11 : 13