A Similar Triangles

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A Similar Triangles Activity
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and then cut the triangle out.
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Use an overhead to project the triangles image
onto a board ...
and trace its outline.
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Move the overhead so as to reposition and
enlarge the projected triangle.
Trace the outline of the 2nd triangle. Identify
these as Similar Triangles.
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Use the millimeter scale of
a meter stick to ...
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measure all the sides of one triangle...
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and just one side of the other
triangle.
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Set up a proportion using corresponding
(matching) sides of the similar triangles.
735
735
590
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Set up a proportion using corresponding
(matching) sides of the similar triangles.
n
735

595
590
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Solve the proportion
595 ? 735 437325
n
735

595
590
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Solve the proportion
595 ? 735 437325
437325 ? 590 741
n
735

595
590
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Use the meter stick to verify the accuracy
of your calculations.
741
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Use a straightedge, pencil, and paper ...
to draw a triangle of arbitrary dimensions...