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asucenaperez0104
The square of 45 and square root of 21 are irrational. The square root of 64 is rational
thomasschaeferjr14

Answer: is A, C, D

A. √45= 6.7082039324993690892275210061938

B. √64= 8

C. √21= 4.582575694955840006588047193728

D. √21= 4.582575694955840006588047193728

Step-by-step explanation:

An Irrational Number is a real number that cannot be written as a simple fraction.