Between which 2 whole numbers is the square root of 50?

1 Answer
EZ as pi
Nov 15, 2016

#sqrt50" "# lies between 7 and 8.

Explanation:

It helps to know the first 20 square numbers by heart.

Which are the square numbers close to 50?

#color(white)(xxxxx)50#
#color(white)(xxxxx)darr#
#36" "49" "64" "81" "larr# these are the perfect squares

#" "6" "7" "8" "9" "larr#these are their square roots
#color(white)(xxxxxx)uarr#
#color(white)(xxxx)sqrt50#

#sqrt50" "#lies between 7 and 8.

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