Is the following shape a square? how do you know? A. No, the opposite sides are not parellel.
B. No, the sides are not congruent.
C. Yes, the adjacent sides are perpendicular, and all sides are the same length.
D. Yes, the opposite sides are parallel, and all sides are the same length.

Circle a has center of (2,3) and a radius of 5 and circle b has a center of (1,4) and a radius of 10. what steps will show that circle a is similar to circle b 1) dilate circle a by a scale factor of 2 2) translate circle a using the rule (x+1,y-1) 3) rotate circle a 180 degrees about the center 4) reflect circle a over the y-axis