Victor cut four congruent triangles off of a rectangle to make a hexagon, as shown below what is the area of the shaded hexagon it has 6 cm 26 cm 8 cm and 16 cm

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

Bob is putting books on a shelf and takes a break after filling 18 1/2 inches on the book shelf. the book shelf is now 2/3 full. how long is the entire bookshelf?

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?