On a coordinate grid, point P is at (2, 1) and point R is at (−6, −5). Points Q and S are a reflection of both points across the x-axis. What are the coordinates of Q and S? Q(2, −1), S(−6, 5)
Q(−2, 1), S(6, −5)
Q(−2, −1), S(6, 5)
Q(−2, 1), S(−6, 5)

What describes horizontal cross section of the right rectangle 6m 8m 5m

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 best explains why this triangle is or is not a right triangle ?