c. Create a sketch that declares a variable called m with the value 18, and creates a canvas that's 121 by 98 with the usual 220 background colour. Use m to draw two triangles that are m pixels from the edge of the canvas. Test your sketch for different values assigned to m and different canvas sizes. M m is 18, 121 by 98 canvas m is 5, 120 by 60 canvas Submit the solution where m is 18 and the canvas is 121 by 98.