The triangle shown is rotated 90 degrees counter clock wise about the origin what is the new coordinates of point A A (1,2)
B(-2,1)
C (2,1)
D (-2,-1)

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122