JSFiddle - React, Tailwind, and code Playground

by Sean Furrh

HTML

<div>
<p>
Calculate the inside and outside angles and the sum of each based on the number of sides of a regular polygon.
</p>
<input id="n"/>
<input type="button" onclick="calculate()" value="calculate"/>
<div id="result"/>
</div>

JavaScript

function calculate(){
	let n = document.getElementById("n").value;
  
  let innerAngle = (n-2)*180/n;
  let outerAngle = 360 / n;
  let innerAngleSum = n * innerAngle;
  let result = `inner angle: ${innerAngle}, outer angle ${outerAngle}, inner angle sum: ${innerAngleSum}`;
  console.log(""+(64440 / n));
  document.getElementById("result").innerText = result;
}