How to get answer by Mimiwhatsup (In Decimal Form):

Answer in Fraction Form: 
53x2=106
250-106= 144
144/2=72
The length is 72cm
Step-by-step explanation:
We will use pythagoras' Theorem for this question

where c is the longest side (in this case, the diagonal)
a and b are the 2nd and 3rd longest side (interchangeable)
given a = 10.6, b = 16.8,

Answer:
B
Step-by-step explanation:
so it is equal to an irrational number.
2 is rational, and
is irrational, because it is equal to 
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