Find the square root of 12.25

Dear student,

W e h a v e t o f i n d \sqrt{12.25} = \sqrt{\frac{1225}{100}} S o l v i n g b y p r i m e f a c t o r i s a t i o n = \frac{\sqrt{5 \times 5 \times 7 \times 7}}{\sqrt{10 \times 10}} = \frac{5 \times 7}{10} = \frac{35}{10} = 3.5

Regards