createCanvas(400, 400);

}

​

function draw() {

  background(220);

  rectMode(CENTER)

  rect(width/2,height/2,100,100);

 // ellipse(width/2,height/2,100,100)

  ellipseMode(CORNER)

  ellipse(width/2,height/2,100,100)

  triangle(width/2,height/2,100,300,300,300)

}