4.2 Notes

Question 1

What is the definition of an Equilateral Triangle

Answer 1

3 congruent sides

Question 2

What is the definition of an Isosceles Triangle

Answer 2

At least 2 congruent sides

Question 3

What is the definition of a Scalene Triangle

Answer 3

No congruent sides

Question 4

What is the definition of an Equiangular Triangle

Answer 4

3 congruent angles

Question 4

What is the definition of a Right Triangle

Answer 4

1 right angle

Question 4

What is the definition of an Acute Triangle

Answer 4

3 acute angles

Question 5

What is the definition of an Obtuse Triangle

Answer 5

1 obtuse angle

Question 6

What is the Base Angles Theorem?

Answer 6

If two sides of a triangle are congruent, then the angles opposite them are congruent.

Question 7

What is the Converse of the Base Angles Theorem?

Answer 7

If two angles of a triangle are congruent, then the sides opposite them are congruent.

Question 8

What is the Corollary to the Base Angles Theorem?

Answer 8

If a triangle is equilateral, then it is equiangular.

Question 9

What is the Corollary to the Converse of the Base Angles Theorem?

Answer 9

If a triangle is equiangular, then it is equilateral.