9514 1404 393
Answer:
no
Step-by-step explanation:
The given side lengths do not form a triangle of any kind.

Answer:
CH = 22°
Step-by-step explanation:
We know that Arc AC and Arc CH both equal to 180°, therefore we can say;
AC + CH = 180°
158 + CH = 180°
CH = 180 - 158
CH = 22°
Hope this helps!
12 / 5, that's how, it's 2.4.
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It is irrational, as it's not a number that can be divided into a whole number by another whole number.