How to Calculate Geometry
What is Geometry?
Geometry calculators compute areas, perimeters, volumes, and angles for the most common two- and three-dimensional shapes. They are used in construction, design, education, and everyday measurement tasks.
Step-by-Step Guide
- 1Circle: area = πr² · circumference = 2πr
- 2Rectangle: area = length × width · perimeter = 2(l + w)
- 3Right triangle: a² + b² = c² (Pythagorean theorem)
Worked Examples
Input
Circle with radius 7 cm
Result
Area = 153.94 cm² · Circumference = 43.98 cm
π ≈ 3.14159265