A great variety of free geometry lessons along with geometry worksheets and calculators. First start studying the prerequisites.

Prerequisites

- Perimeter of shapes
- Perimeter of a square
- Perimeter of a rectangle
- Perimeter of a triangle
- Perimeter of a trapezoid
- Perimeter of a circle
- Perimeter in the coordinate system
- Perimeter formulas
- Area of shapes
- Area of triangles
- Area of an equilateral triangle
- Area of a kite
- Area of a rhombus
- Area of a trapezoid
- Area of irregular shapes
- Area of a circle
- Area of a sector
- Area of a regular polygon
- Area of a triangle given sas
- Heron's formula
- Heron's formula calculator
- Area formula

- Volume of solids
- Volume of a cube
- Volume of a box
- Volume of a sphere
- Volume of an ellipsoid
- Volume of a cylinder
- Volume of a cone
- Volume of a pyramid
- Volume of irregular shapes
- Difference between volume and capacity
- Volume formulas
- Finding surface area
- Surface area of a cube
- Surface area of a rectangular prism
- Surface area of a cylinder
- Surface area of a square pyramid
- Surface area of a sphere
- Surface area of a cone
- Surface area formulas

**Goal:**

- Identify basic shapes in geometry

- Find perimeter and area of shapes

- Find volume and surface area of solids

- Learn about congruency

- Find and graph the slope

- Find the standard from of a line

- Explore some important proofs in geometry

- And more!

Do you need geometry help with a tutor? Many geometry tutors are available to help you right now with your homework or any question(s) you have. Check this site to chat with a tutor right now.