Answer:
it is 5 cm............
hope this helps you...
Step-by-step explanation:
The factoring of 64 is ...
64 = 2·2·2·2·2·2
= (2·2)·(2·2)·(2·2) = 4·4·4 = 4³
= (2·2·2)·(2·2·2) = 8·8 = 8²
= 2·2·2·2·2·2 = 2⁶
2 options
8,5,17 and 3,4,5