Using the Protractor

Have you got a Dual mode ActivBoard? Set Touch as the Select tool to perform this procedure at the ActivBoard.

 

Use the Protractor to measure angles and draw arcs.

From the Tools Menu, select Maths tools > Protractor. You can select more than one Protractor.

The default colours are grey / black. To change the colour, select File > Settings > Tools.  

The colourchanges are shown in the next Protractor you select.

The right-click Popup Menu gives options for the Protractor and arc drawn.

When you are ready to draw, hover with the Pen near the edge of the Protractor.

The cursor jumps or snaps to the Protractor.

Click and drag along the edge of the Protractor, and the Pen draws a perfect arc. The three different arc styles are shown on the right.

You view angles on the Protractor's scale, and when you use Page Zoom to zoom in, you can measure angles very accurately .

 

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