1. 3. Pyth Thm, Triangle Ineq, Similar Poly, Similar, Tri.notebook August 17, 2012
3. Pythagorean Theorem, Triangle Inequalities, Similar Polygons, Similar Triangles
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2. 3. Pyth Thm, Triangle Ineq, Similar Poly, Similar, Tri.notebook August 17, 2012
1. The lengths of the sides of a triangle are 7, 5, and 4, respectively.
Is the triangle a right triangle, an acute triangle, or an obtuse triangle?
Polygons
are
simple,
closed,
coplanar geometric figures
whose sides are straight lines.
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3. 3. Pyth Thm, Triangle Ineq, Similar Poly, Similar, Tri.notebook August 17, 2012
Am I a polygon?
A B C D E
F G H I
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4. 3. Pyth Thm, Triangle Ineq, Similar Poly, Similar, Tri.notebook August 17, 2012
Similar polygons are a magnification or reduction of the other.
To find a scale factor, divide similar sides.
5.6
SF
4
Similar Polygons
Not similar polygons
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5. 3. Pyth Thm, Triangle Ineq, Similar Poly, Similar, Tri.notebook August 17, 2012
Similar Triangles ­ Corresponding angle measures equal and corresponding sides proportional
2.
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6. 3. Pyth Thm, Triangle Ineq, Similar Poly, Similar, Tri.notebook August 17, 2012
4.
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7. 3. Pyth Thm, Triangle Ineq, Similar Poly, Similar, Tri.notebook August 17, 2012
5.
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