Chapter 4

Question 0

Isosceles Trianglen

Answer 0

Two congruent sides

Question 1

Scalene triangle

Answer 1

No congruent sides

Question 2

Equilateral Triangle

Answer 2

All sides congruent

Question 3

Isosceles Vocab (vertex)

Answer 3

Angle created by 2 legs

Question 4

Legs

Answer 4

2 congruent sides in isosceles triangles

Question 5

Base

Answer 5

Non-congruent side of isosceles triangle

Question 6

Base angles

Answer 6

Two angles adjacent to the base

Question 7

Acute

Answer 7

Less than 90

Question 8

Obtuse

Answer 8

One angle greater than 90

Question 9

Equilateral

Answer 9

All angles congruent must be acute and all 60

Question 10

Right

Answer 10

Only one right angle

Question 11

What happens when you extend 3 sides of a triangles

Answer 11

It creates exterior angles the exterior angles form linear pairs w/ interior angles vertical angles don’t count

Question 12

Triangle sum corollary

Answer 12

The sum of the acute angles in a right triangle is 90

Question 13

Corollary

Answer 13

Extension of postulate and theorem

Question 14

Remote interior angles

Answer 14

2 interior angle not adjacent to exterior angle

Question 15

Exterior angle theorem

Answer 15

The measure of an exterior angle equals the sum of the remote interior angles

Question 16

Third angle theorem

Answer 16

If 2 angles of a triangle are congruent to 2 angles of another triangle, the 3rd angles are always congruent

Question 17

Base angle theorem

Answer 17

2 sides of a triangle are congruent, the angles opposite are congruent

Question 18

Congruent Triangles have….

Answer 18

The same size and shape orientation doesn’t matter

Question 19

CPCTC stands for what?

Answer 19

Corresponding parts of congruent triangles are congruent

Question 20

Reflexive Property of Congruent Triangles

Question 21

Symmetric Property of Congruent Triangles

Question 22

Transitive Property of congruent triangles

Answer 22

If

Question 23

Vertex angle

Answer 23

Angle created by 2 sides