<prompt> Kuzalisha ukurasa HTML kwamba mahesabu eneo la mduara kutoka radius fulani.  <response>: Here is an HTML page that calculates the area of a circle from a given radius:htmlArea of a Circle CalculatorArea of a Circle CalculatorEnter the radius:Calculate This page contains an input field where the user can enter the radius of the circle, and a button that, when clicked, calculates the area of the circle using the formula area pi radius radius. The result is then displayed on the page. 