$geometry formulas cheat sheet pdf$

Geometry Formulas Cheat Sheet PDF

When it comes to geometry, having a cheat sheet can be a lifesaver for students and professionals alike. This article will provide you with a comprehensive list of formulas related to different shapes and figures in geometry.

Sphere Formula

A sphere is a 3D object whose surface is continuous and all points on the surface are an equal distance from a fixed point, known as the center. The area of a circular ring, where R is the outer diameter and r is the inner diameter, is given by:

Trapezoid Formula

A trapezoid is a four-sided polygon or quadrilateral with one set of parallel sides. There is no specific formula for the area of a trapezoid.

Circular Ring Formula

The circular ring or donut shape is composed of a circle with a centered small circle removed from the area. The length of the arc of a circular sector, where r is the radius and theta is the angle, is given by:

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Triangle Formula

A triangle is determined by its base and height. The circumference of a triangle is the sum of all sides of the triangle.

* Acute Triangle: All angles are less than 90 degrees.

* Obtuse Triangle: One angle is greater than 90 degrees.

* Oblique Triangle: Has no angle equal to 90 degrees.

* Right Triangle: One angle is 90 degrees.

Triangles can also be classified by their sides:

* Scalene Triangle: All sides have different lengths.

* Isosceles Triangle: Two sides are equal in length.

* Equilateral Triangle: All sides are equal in length.

Circle Formula

A circle is a shape where all points along the shape are an equal distance from a specific point. The circumference of a circle of radius r is:

Rectangle Formula

A rectangle is a four-sided polygon, quadrilateral, with right angle corners. The circumference of a rectangle with side lengths x and y is:

Square Formula

A square is a four-sided regular polygon. The circumference of a square with sides of length s is:

In conclusion, this cheat sheet provides you with a comprehensive list of formulas related to different shapes and figures in geometry. By having these formulas handy, you'll be able to easily calculate the area, circumference, and other properties of various geometric shapes.

Geometry formulas cheat sheet pdf