### Home > INT2 > Chapter 2 > Lesson 2.1.3 > Problem 2-27

2-27.

Write a converse for each conditional statement below. Then, assuming the original statement is true, decide if the converse must be true or not. Homework Help ✎

If it rains, then the ground is wet.

If the ground is wet, then it is raining. The converse is not always true.

If a polygon is a square, then it is a rectangle.

If a polygon is a rectangle, then it is a square. The converse is not always true.

If a polygon is a rectangle, then it has four 90° angles.

If a polygon has four 90° angles, then it is a rectangle. The converse is not always true.

If a polygon has three angles, it is a triangle.

If two lines intersect, then vertical angles are congruent.