Between which two consecutive integers does square root 147 liea. 146 and 148b. 10 and 11c. 11 and 12d. 12 and 13

12² = 144
13² = 169

147 lies between 144 and 169, so √147 lies between
  D. 12 and 13


It can be helpful to memorize the squares of positive integers up to 20 or 25.

Idon’t feel like doing the math but you need to do 2.24 divided by 7

It is rigid. it is isometric. the size is preserved.