Verified answer

Step-by-step explanation:

1. √85

9 and 10

Check:

9 x 9 = 81

10 x 10 = 100

2. √102

10 and 11

Check:

10 x 10 = 100

11 x 11 = 121

3. √925

30 and 31

Check:

30 x 30 = 900

31 x 31 = 961

4. √70

8 and 9

Check:

8 x 8 = 64

9 x 9 = 81

5. √213

14 and 15

Check:

14 x 14 = 196

15 x 15 = 225