4-1

Question 1

two objects are congruent if they have the same ______

Answer 1

size and shape

Question 2

two triangles are congruent if and only if their ______ can be matched up so that ______ parts of the triangles are congruent

Answer 2

vertices, corresponding

Question 3

two polygons are congruent if and only if their ______ can be matched up so that ______ parts are congruent

Answer 3

vertices, corresponding