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29 lip 2024 · Here are the most important and useful area formulas for sixteen geometric shapes: Square area formula: A = a². Rectangle area formula: A = a × b. Triangle area formulas: A = b × h / 2 or. A = 0.5 × a × b × sin(γ) or. A = 0.25 × √( (a + b + c) × (-a + b + c) × (a - b + c) × (a + b - c) ) or.
- Regular Polygon Area Calculator
This area of a regular polygon calculator can help – as you...
- Pentagon Calculator
With this pentagon calculator, you'll find essential...
- Sector Area Calculator
Then, we want to calculate the area of a part of a circle,...
- Rectangle Area
The image above shows a typical rectangle. It has four sides...
- Circumference
To find the area of a circle from the circumference, follow...
- Regular Polygon Area Calculator
The area of a circle calculator helps you compute the surface of a circle given a diameter or radius. Our tool works both ways — no matter if you're looking for an area-to-radius calculator or a radius to the area one, you've found the right place .
Area Calculator. 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. Formulas and explanations on finding the area of any shape are below. [x] hide illustration. Calculate Area.
24 wrz 2024 · Finding the area of a circle is a straightforward calculation if you know the length of the circle’s radius. If you don’t know the radius, however, you can still calculate the area if you are given the length of the circle’s circumference or perimeter.
31 lip 2024 · To find the area of a circle from the circumference, follow these steps: Divide the circumference by π. Divide the result by 2 to get the circle's radius. Multiply the radius by itself to get its square. Multiply the square by π, or 3.14 for an estimation. You found the circle's area from the circumference.
6 lut 2024 · Circle Calculator. Choose a Calculation. radius r = Let pi π = Units. Significant Figures. Answer: radius. r = diameter. d = circumference. C = area. A = In Terms of Pi π. circumference. C = area. A = Get a Widget for this Calculator. © Calculator Soup. r = radius. d = diameter. C = circumference. A = area. π = pi = 3.1415926535898. √ = square root
The formula for the area of the circle is 𝑨 = π𝒓². To work out the area of a circle: Find the value of the radius.
