Answer:

Step-by-step explanation:
Square root of 9 is 3
20 is 4.472135955
27 is 5.19615242271
4.5 is intantly wrong because it is rational.
Answer:
Terminating decimals have a finite number of digits after the decimal point. Repeating decimals have one or more repeating numbers or sequences of numbers after the decimal point, which continue infinitely.
The first shaded triangle is 144 cm.
All you have to do is figure out the bases of the figure and use the 12 and 13 in your problems and you should be able to get the right answer.
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