definitions for trimester 1

Question 1

The intersection of two lines is a single _____

Answer 1

point

Question 2

the intersection of two planes is a single _____

Answer 2

line

Question 3

through any two points, there is exactly one _____

Answer 3

line

Question 4

Through any three noncollinear points there is exactly one _______

Answer 4

plane

Question 5

If two segments have the same measure, then they are _______

Answer 5

congruent

Question 6

An equilateral triangle has ______ congruent sides

Answer 6

three

Question 7

An isosceles triangle has _______ congruent sides

Answer 7

two

Question 8

A scalene triangle has _______ congruent sides

Answer 8

no

Question 9

A _____ is a quadrilateral with exactly one pair of parallel sides.

Answer 9

trapaziod

Question 10

A ______ is a quadrilateral with two pairs of parallel sides

Answer 10

parallelogram

Question 11

A ______ is a quadrilateral with four congruent sides

Answer 11

rhombus

Question 12

a ______ is a quadrilateral with four right angles

Answer 12

square

Question 13

if two parallel lines are cut by a transversal, then alternate interior angles are ________

Answer 13

congruent

Question 14

if two parallel lines are cut by a transversal, then alternate exterior angles are _____

Answer 14

congruent

Question 15

If two parallel lines are cut by a transversal, then same side interior angles are _______

Answer 15

supplementary

Question 16

If two lines are cut by a transversal so that alternate interior angles are congruent, then the lines are _______

Answer 16

parallel

Question 17

If two lines are cut by a transversal so that alternate exterior angles are congruent, then the lines are ______

Answer 17

parallel

Question 18

The sum of the measure of the angles of a triangle is ______

Answer 18

360

Question 19

The measure of the exterior angle of a triangle is equal to ______

Answer 19

180

Question 20

the formula to find the sum of the measures of the interior angles of a polygon is:

Answer 20

180(n-2)

Question 21

the measure of an interior angle of a regular polygon can be found by the formula:

Answer 21

(n-2)180/n

Question 22

The formula to find the measure of an exterior angle:

Answer 22

360/n

Question 23

A midsegment of a triangle is a segment whose endpoints are the _________ of two sides (“middle” is not an acceptable answer.)

Answer 23

midpoint

Question 24

the measure of the midsegment of a triangle is _____ the measure of its parallel side

Answer 24

half

Question 25

the measure of the midsegment of a trapezoid is equal to-

Answer 25

half the measure of the sides

Question 26

3 sides

Answer 26

triangle

Question 27

quadrilateral

Answer 27

4 sides

Question 28

pentagon

Answer 28

5 sides

Question 29

6 sides

Answer 29

hexagon

Question 30

heptagon

Answer 30

7 sides

Question 31

octagon

Answer 31

8 sides

Question 32

9 sides

Answer 32

nonagon

Question 33

decagon

Answer 33

10 sides

Question 34

11-gon

Answer 34

11 sides

Question 35

dodecagon

Answer 35

12 sides

Question 36

13-gon

Answer 36

13 sides

Question 37

n-gon

Answer 37

n sides