The first quartile of the following data set is: 15,16,17,23,11,19,20,15,18,22,15

Name the quadrilaterals that have four equal sides.

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

What two criteria are needed for triangles to be similar