Question

Exercise 6.2
1. Using the properties, find the square of a
number ending in 5 :
(ii) 652
(iii) 105
(iv) 1752
(i) 252​

Answer 1

Answer:

$(i) \: \: 225 = 15 \times 15 \\ \: 225 = {15}^{2} \\ \\ (ii) \: \: 625 = 25 \times 25 \\ \: 625 = {25}^{2}$