1.
Evaluate 9
2
.
A.
18
B.
81
C.
72
D.
89
Hint
2.
Evaluate 21
2
.
A.
441
B.
421
C.
422
D.
442
Hint
3.
Find the area of the square.
A.
64 units
2
B.
36 units
2
C.
49 units
2
D.
56 units
2
Hint
4.
The area of a square is 289 square meters. Find the perimeter.
A.
76 m
B.
68 m
C.
72 m
D.
64 m
Hint
5.
Which number is a perfect square?
A.
324
B.
326
C.
327
D.
325
Hint