Geometry Concepts for Grade 10

Front

Definition of a point

Back

A location with no size or dimension

Front

Definition of a line

Back

A straight path extending in both directions with no end

Front

Definition of a plane

Back

A flat surface extending infinitely in all directions

Front

Formula for the area of a circle

Back

A = π r²

Front

Formula for the circumference of a circle

Back

C = 2π r

Front

Example of a right triangle

Back

Triangle with one 90° angle

Front

Definition of a polygon

Back

A closed figure with three or more straight sides

Front

Formula for the area of a triangle

Back

A = 1/2 bh

Front

Definition of a parallel line

Back

Lines in a plane that never meet

Front

Example of a quadrilateral

Back

Square, rectangle, trapezoid