This area calculator determines the area of a number of common shapes, including rectangle, triangle, trapezoid, circle, sector, ellipse, and parallelogram.

Area is the size of a surface Learn more about Area, or try the Area Calculator.

It has a total area of 4,850 square miles (12,561 km 2). Although San Diego–Tijuana borders the Greater Los Angeles area at San Clemente and Temecula, it is not part of it as the two urban areas …

Aug 1, 2025 · Calculate the area, circumference, radius and diameter of circles. Find A, C, r and d of a circle. Given any 1 known variable of a circle, calculate the other 3 unknowns. Circle formulas and …

The area of a shape is a two-dimensional quantity that is measured in square units like square inches, square feet, square yards. Learn more about the area, area formulas of different shapes along with …

2 days ago · The meaning of AREA is the surface included within a set of lines; specifically : the number of unit squares equal in measure to the surface. How to use area in a sentence.

Use this area calculator to easily calculate the area of common bodies like a square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, regular octagon, and sector of a circle.

We'll give you a tour of the most essential pieces of information regarding the area of a circle, its diameter, and its radius. We'll learn how to find the area of a circle, talk about the area of a circle …

May 15, 2026 · Area is the space inside a 2D shape, measured in square units. Learn the area formulas for square, rectangle, triangle, circle, and other shapes.

5 days ago · Area is a math measure that tells how much flat space is inside a shape. Many homework mistakes happen when students confuse area with perimeter, use the wrong units, or apply a formula …