
If

and

share no common elements, then

, which means

On the other hand, if the smaller set is entirely contained within the larger set, i.e.

, then

, and so

.
1/4 is the fraction closest to zero.
K - 21 > 1
k > 1 + 21
k > 22
Answer:
13.2cm
Step-by-step explanation:
SEE THE IMAGE FOR SOLUTION
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