Drawing Triangles on the Canvas

When you are working with the canvas element in HTML, you have some built-in functions that help you easily draw common shapes like circles, squares, and lines. Guess what shape you don’t have a built-in function to help you easily draw?

If you guessed any shape other than a triangle, I weep for you. Because there is no built-in triangle function, drawing triangles on the canvas is a bit more involved and error prone than the other shapes:

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