Answer:
Step-by-step explanation:
C. 16cm
A=a^2
256cm^2=a^2
\sqrt{256cm^2} =\sqrt{a^2}
16=a
a=16
The side length of a square whose area is 256cm^2 is 16
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Answer:
Step-by-step explanation:
Answer:
C. 16cm
Step-by-step explanation:
A=a^2
256cm^2=a^2
\sqrt{256cm^2} =\sqrt{a^2}
16=a
a=16
The side length of a square whose area is 256cm^2 is 16