Vocab Review #1

Question 1

complementary angles

Answer 1

angles whose sum = 90

Question 2

supplementary angles

Answer 2

angles whose sum = 180

Question 3

angle bisector

Answer 3

ray that cuts an angle into two congruent angles

Question 4

reflexive property

Answer 4

states that an angle or segment is congruent to itself

Question 5

transitive property

Answer 5

if AB = MN and MN = XY, then AB = XY

Question 6

linear pair

Answer 6

two angles that form a line; they are supplementary

Question 7

pentagon

Answer 7

polygon with 5 sides

Question 8

hexagon

Answer 8

polygon with 6 sides

Question 9

decagon

Answer 9

polygon with 10 sides

Question 10

dilation

Answer 10

transformation creating similar objects, either by expansion or contraction

Question 11

reflection

Answer 11

transformation that “flips” an object

Question 12

translation

Answer 12

transformation that “shifts” an object

Question 13

sum of interior angles

Answer 13

180(n - 2)

Question 14

similar objects

Answer 14

objects that are same shape but not the same size

Question 15

mapping

Answer 15

a function that converts an ordered pair to a new ordered pair