- ANo; it is not a perfect square
- BYes; the square root is 124
- CYes; the square root is 134
- DYes; the square root is 144
Step-by-Step Solution
Pair: 1 79 56. , rem 0 -> 79; 23*3 = 69, rem 10 -> 1056; double 13 = 26, 264*4 = 1056, rem 0. Remainder 0 means perfect square; .
Answer: C) Yes; the square root is 134