Perimeter, Area, and Volume Math Formulas for Geometric Shapes Surface Area. Regular polygon area formula: A = n × a² × cot(π/n) / 4 Basic Geometry Formulas Perimeter of a Square P 4a Where a Length.S side Perimeter: 2 2P LW + W width L length Area: A LW PS Area: A SS S2 Area: 4 Ar d Arc Length: ( in radians)sr r s h height b base Rectangles. Quadrilateral area formula: A = e × f × sin(angle) Geometric Formulas Shape General Formulas Picture.Use our reference sheet to quickly see the formulas for calculating the area, surface area and volume of. In the Geometry Cheat Sheet section you will find a range of printable geometry sheets with formula and information about angles, 2d and 3d shapes. Octagon area formula: A = 2 × (1 + √2) × a² Math Formulas for Basic Shapes and 3D Figures. Here you will find our support page about different Geometry formulas, including formulas about triangles, circles, quadrilaterals and polygons, as well as 3d shape formulae.Hexagon area formula: A = 3/2 × √3 × a².

Trapezoid area formula: A = (a + b) × h / 2.

Circle sector area formula: A = r² × angle / 2.

Area of Base: r2 Area of Side: rs Total Surface Area r2 + rs To find the volume of a sphere, you only need the radius and the height. For the sake of clarity, we'll list the equations only - their images, explanations and derivations may be found in the separate paragraphs below (and also in tools dedicated to each specific shape).Īre you ready? Here are the most important and useful area formulas for sixteen geometric shapes: s (r2 + h2) With that, you can then find the total surface area, which is the sum of the area of the base and area of the side. Area and Perimeter formulas for common geometric 2D shapes. Well, of course, it depends on the shape! Below you'll find formulas for all sixteen shapes featured in our area calculator. basic shapes formulasArea and Perimeter Formulas-Geometry Formulas - YouTube.

Formulas for basic shapes