Geometry in Baseball

Nick Gross

Block 05

2

Point

• A point is an undefined term in geometry, it names a location and has no size.

• In baseball, a point can be represented by a player on the field.

3

Line (Segment)

• A line segment is a part of a line consisting of two endpoints and all points between them.

• A line segment on a baseball field would be from 1st base to 2nd base.

4

Plane

• A plane is an undefined term in geometry, it is a flat surface that has no thickness and extends forever.

• A baseball field would represent a plane.

5

Angle

• An angle is a figure formed by two rays with a common endpoint.

• An angle on the baseball field would be created from 1st base, to 2nd base, to 3rd base. The name of this angle would be 2nd base.

6

Perpendicular Lines

• Perpendicular lines are lines that intersect at 90° angles.

• An example of perpendicular lines on the Texas Rangers symbol would be at the upper left hand corner of the T.

7

Parallel Lines

• Parallel lines are lines in the same plane that do not intersect.

• An example of parallel lines on the baseball field would be the pinstripes on a uniform.

8

Triangle

• A triangle is a three- sided polygon.

• A triangle on the Los Angeles Dodgers symbol would be the upper half of the A.

9

Right Triangle

• A right triangle is a triangle with one right angle.

• An example of a right triangle on the baseball field would be a diagram of a batters hitting positions. (1st base and 3rd base show right triangles.)

10

Pentagon

• A pentagon is a five-sided polygon.

• A pentagon on the baseball field would be home plate.

11

Hexagon

• A hexagon is a six-sided polygon.

• A hexagon on the baseball field would be a pitching screen used during batting practice.

12

Square

• A square is a quadrilateral with four congruent sides and four right angles.

• A square in baseball would be 1st base.

13

Rectangle

• A rectangle is a quadrilateral with four right angles.

• A rectangle in baseball would be a scoreboard.

14

Trapezoid

• A trapezoid is a quadrilateral with exactly one pair of parallel sides.

• A trapezoid in baseball can be found on a catchers mask.

15

Parallelogram

• A parallelogram is a quadrilateral with two pairs of parallel sides.

• A parallelogram can be found at a baseball field at the railing of the stairwells.

16

Circle

• A circle is a set of points in a plane that are a fixed distance from a given point called the center of the circle.

• A circle on the baseball field is the on deck circle.

17

Cylinder

• A cylinder is a three-dimensional figure with two parallel congruent circular bases and a curved lateral surface that connects the bases.

• A cylinder on the baseball field is the cooler of Gatorade in the dugout.

18

Sphere

• A sphere is a set of points in space that are a fixed distance from a given point called the center of the sphere.

• A sphere in baseball is the baseball.

19

Five Pointed Star

• A five pointed star is a ten-sided polygon with five symmetrical projecting points.

• In baseball a star would be found on the United States flag.

20

Cube

• A cube is a solid bound by six equal sides.

• A cube in baseball is a cube baseball holder.

21

Octagon

• An octagon is an eight-sided polygon.

• On the baseball field, you can find an octagon at the batters box.