Davitily Math Academy - a free place to learn and practice math.
Basic Math / GED

Algebra

Geometry

SAT Math

Algebra 2

Tutorial Files

Points, Lines, and Angles

Constructions

Triangles

Polygons

Parallel Lines

Basic Proofs

Triangle Proofs

Similar Polygons

Circles

Perimeter and Area

Surface Area and Volume

Coordinate Geometry

Right Triangles and Trigonometry Functions

Perimeter.

Given the perimeter of a square, find the length of each side.

Given the perimeter of a rectangle, find the length or width.

Perimeter of a rectangle.

Perimeter of a triangle.

Perimeter of a trapezoid.

Perimeter of a parallelogram.

Area of a square.

Given the area of a square, find the length of each side.

Given the area of a rectangle, find the length or width.

Area of a rectangle.

Area of a square or rectangle.

Area of a square or rectangle word problem.

Area of a parallelogram.

Area of a triangle.

Area of a triangle word problem.

Area of a trapezoid.

Area of a trapezoid word problem.

Area word problem.

Circumference (pi).

Circumference (3.14).

Length of an arc given the degree.

Given the circumference of a circle, find the radius.

Area of a circle (pi).

Area of a circle (3.14).

Area of a circle (sector)

Area of a sector of a circle word problem.

Given the area of a circle, find the radius.

Area of a regular triangle (given apothem and length).

Area of a regular triangle (given length).

Area of a regular pentagon (given apothem and length).

Area of a regular pentagon (given length).

Area of a regular hexagon (given apothem and length).

Area of a regular hexagon (given length).

Area of combined shapes.

Difference in Area (Rectangles).

Difference in Area (Rectangle and Triangle).

Difference in Area (Rectangle and Circle).

Difference in Area (Circles).

Difference in Area (Circle and Triangle).

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