21. Paula casts a shadow 2 meters long at the same time a tree casts a shadow 28 meters long. The tree is 17.smeters tall. How t
all is Paula?A. 1.25 metersD. 2.8 metersB. 1.75 metersC. 2.5 meters
1 answer:
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Answer: Option 'A' is correct.
Step-by-step explanation:
Since we have given that
Rational numbers are those numbers which can be written as p/q form or it must be non terminating but recurring number.
-13 can be written as p/q form as
is a rational number because of its form.
81 can be written in p/q form as
But √2 is non terminating and non recurring number.
Hence, √2 is not a rational number.
Therefore, Option 'A' is correct.