Which of the following is an irrational number between 4 and 5?
Which of the following is an irrational number between 4 and 5?
A) \(\sqrt{ 20}\)
B) √9
C) \(\sqrt{ 4.5}\)
D) 4.5
4 views
2 Answers
Correct option is (A) \(\sqrt{20}\)
\(\because\) 16 < 20 < 25
\(\Rightarrow\) \(\sqrt{16}<\sqrt{20}<\sqrt{25}\)
\(\Rightarrow\) \(4<\sqrt{20}<5\) and \(\sqrt{20}\) is an irrational number.
4 views
Answered