The radius of the circle is 8 cm. Substitute 𝒓 = 8 into the formula for the area of the circle. Multiply π by the square of the radius. 3۰14 × 82 = 200۰96.

Learn how to calculate the areas of rectangle, triangle, and circle in Excel for a single cell or range of cells usin this formula.

Finding the area of a circle is easy with pizza and infinity. One of the oldest calculus problems, finding the area of a circle, can be visualized using a pizza. By dividing it up into ever ...

Learn how to find the equation of a circle and use the discriminant to prove for tangency in intersections for Higher Maths.

One of the oldest calculus problems, finding the area of a circle, can be visualized using a pizza. By dividing it up into ever smaller slices and laying them out next to one another, eventually ...