Canvas: draw an arc

[Scott Ferguson]

Drawing an arc on a Canvas with App Inventor is easy to do.

You just need to know the center x,y point of the arc, the starting and ending angles and the radius of the arc.

Here is an example plot:

I have used the Canvas DrawPoint block, the Math sin and cos blocks, and a Clock Timer block to show each point as it is being Drawn:

See the YouTube demonstration and overview of the blocks > here <