Area formula calculator

area = 0.25 * √ ( (a + b + c) * (-a + b + c) * (a - b + c) * (a + b - c) ) Two sides and the angle between them (SAS) You can calculate the area of a triangle easily from trigonometry:

Explain math question

Area of a triangle (Herons formula) Calculator

Area of a circle radius. The radius of a circle calculator uses the following area of a circle formula: Area of a circle = π * r 2. Area of a circle diameter. The diameter of a circle
Do mathematic tasks

Area Calculator

For instance, consider that you have to calculate the area of a rectangle that has a length of 3 meters and a width of 4 meters. To calculate the rectangle area, use the formula below. Area of rectangle = length * breadth. Entering the values

  • 699+

    Consultants

  • 8

    Years on market

Surface Area Calculator

The formula for the area of an octagon of regular shape is 2 · (1 + √2) · side 2, as seen in the figure below: The solution to the equation is straightforward and this is the formula used in our regular octagon area calculator.

  • Clarify math
  • Do math question
  • Fast Delivery
  • Figure out math question
  • Get the best Homework answer

Rectangle Calculator

area = ½ × e × f × sin (angle) The formula comes from trigonometry as well. Do you want to know where it comes from? Divide the parallelogram into two triangles, and assume

We are online 24/7

Math can be a tricky subject for many people, but with a little bit of practice, it can be easy to understand.

Decide math problem

We are available 24/7 to help you with whatever you need.

Decide math

Doing math questions can be fun and engaging. It can also help improve your math skills.

Do math problems

With Decide math, you can take the guesswork out of math and get the answers you need quickly and easily.