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G.1.1.1 The Right Tool

Copy this figure using only the pencil tool.

Complete these steps using the digital straightedge and compass tools in the applet below.

1) Draw a point labeled A. 2) Draw a circle centered at point A, with a radius of length PQ. (use the red compass tool!) 3) Mark a point (B) on circle A. 4) Draw another circle centered at point B that goes through point A. (use either circle tool.) 5) Draw a line segment between points A and B.

What is the difference between your attempt to copy the figure in the first applet and what you came up with using the digital straightedge and compass in the second applet?