# Mathematics

## MATH 55

## Plane Geometry

### Course Description

This course includes the basic elements of geometry including deductive reasoning, formal proofs and elementary construction with straight edge and compass.

### Prerequisites

(A requirement that must be completed before taking this course.)

- MATH 53 with a minimum grade of 2.0 or minimum placement test score of 19 ACT or 78 CPT (Elementary Algebra). MATH 113 may be taken concurrently with MATH 055.

### Course Competencies

Upon successful completion of the course, the student should be able to:

- Apply geometry terminology and symbolism to lines, angles, triangles and circles.
- Formulate direct proofs using deductive reasoning.
- Formulate indirect proofs using deductive reasoning.
- Formulate proofs demonstrating triangles are congruent.
- Formulate proofs demonstrating triangles are similar.
- Explore properties of parallel lines.
- Explore properties of similar polygons.
- Apply the Pythagorean theorem.
- Calculate the area of a rectangle, parallelogram, triangle, trapezoid, circle, and regular polygon.
- Construct geometric figures using a compass and a straight-edge.

### Course Schedule

Currently no sections of this class are being offered.