Unit 3

Question 1

Isosceles Triangle Theorem

Answer 1

If two sides are equal, then their corresponding angles are equal.

Question 2

Corollary to Isosceles Triangle Theorem

Answer 2

The bisector of the angle formed by the equal sides of an isosceles triangle bisects the opposite side and is perpendicular to it.

Question 3

Corollary (2) to Isosceles Triangle Theorem

Answer 3

In an equilateral triangle, all angles are equal.

Question 4

Converse of the Isosceles Triangle Theorem

Answer 4

If two angles are equal, then their corresponding sides are equal.

Question 5

Corollary to the Converse of the Isosceles Triangle Theorem

Answer 5

If all the angles of a triangle are equal, then all the sides are equal.