Two rectangles are similar. the ratio of their corresponding sides is 1: 4.

1. find the ratio of their perimeters.
2. what is the ratio of their areas?

1. are the triangles similar and if so why? what is the value of x? show your work.

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

What numbers are included in the set of integers? what numbers are not included?