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resposta

Bandeira do Brasil

<canvas width="600" height="400"> </canvas>


<script>

    var tela = document.querySelector('canvas');
    var pincel = tela.getContext('2d');
        //ret
    pincel.fillStyle = 'green';
    pincel.fillRect(0, 0, 600, 400);
        //tr cima
    pincel.fillStyle = 'yellow';
    pincel.beginPath();
    pincel.moveTo(50, 200);
    pincel.lineTo(550, 200);
    pincel.lineTo(300, 50);
    pincel.fill();
        //tr baixo
    pincel.beginPath();
    pincel.moveTo(50, 200);
    pincel.lineTo(550, 200);
    pincel.lineTo(300, 350);
    pincel.fill();
        //circ
    pincel.fillStyle = 'darkblue';
    pincel.beginPath();
    pincel.arc(300, 200, 100, 0, 2 * 3.14);
    pincel.fill();

</script>
1 resposta
<canvas width="600" height="400"></canvas>

<script>

var tela = document.querySelector('canvas');
var pincel = tela.getContext('2d');

//retângulo verde 
pincel.fillStyle = 'darkgreen';
pincel.fillRect(0, 0, 600, 400);

//losango amarelo
pincel.fillStyle = "yellow"

pincel.beginPath();
pincel.moveTo(50, 200);
pincel.lineTo(300, 350);
pincel.lineTo(550, 200);
pincel.fill()

pincel.fillStyle = "yellow"

pincel.beginPath();
pincel.moveTo(50, 200);
pincel.lineTo(300, 50);
pincel.lineTo(550, 200);
pincel.fill()


//circulo azul
pincel.fillStyle="darkblue";
pincel.beginPath();
pincel.arc(300, 200, 100, 0, 2*3.14);
pincel.fill();

</script>