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3-5.

Plot triangle formed with the points , , and , on graph paper. Use the method used in problem 3-2 to enlarge it from the origin by a factor of (using two “rubber bands”). Label this new triangle .  3-5 HW eTool (Desmos).  

  1. What are the side lengths of the original triangle, ?

    Find by using the Pythagorean Theorem. For this triangle, .

  2. What are the side lengths of the enlarged triangle, ?

    Find by using the Pythagorean Theorem.

    , ,

  3. Find the area and the perimeter of .

 

Use the eTool below to plot triangle and then enlarge from the origin.
Click the link at right for the full version of the eTool: CCG 3-5 HW eTool