1. 1 Chapter 5 TRIANGLE PROPERTIES Geometry 1 A Practice Problems Pat Brewster

2. 2 1.The sum of the angles of a  is _____ 2. If a  is isosceles, the base angles are___ 1. 2.

3. 3 The sum of the lengths of two sides of a  is ____________________________ Which of the following could be the three sides of a triangle? Why? 1. 3cm., 7 cm. and 6cm. 2. 2cm., 7 cm. and 2cm. 3. 18cm., 25cm. and 36cm. 4. 10cm., 19cm. and 34cm.

4. 4 INEQUALITIES w k d a n Figure not necessarily drawn to scale. List the sides of the top triangle in order from smallest to largest. _____ ____ ____ List the sides of the bottom triangle in order from smallest to largest. _____ ____ ____ List the sides of the whole figure in order from smallest to largest. _____ ____ ____ ____ ____ 60 50 75

5. 5 CONGRUENCE SHORTCUTS Congruence Shortcut: ____ ____ ____ Name the congruent triangles: ______ ______ Explanation:

6. 6 CONGRUENCE SHORTCUTS Congruence Shortcut: ____ ____ ____ Name the congruent triangles: ______ ______ Explanation:

7. 7 CONGRUENCE SHORTCUTS Congruence Shortcut: ____ ____ ____ Name the congruent triangles: ______ ______ Explanation:

8. 8 CONGRUENCE SHORTCUTS Congruence Shortcut: ____ ____ ____ Name the congruent triangles: ______ ______ Explanation:

9. 9 CONGRUENCE SHORTCUTS Overlapping Triangles Congruence Shortcut: ____ ____ ____ Name the congruent triangles: ______ ______ Draw the triangles separately label and mark them.

10. 10 CONGRUENCE SHORTCUTS Overlapping Triangles Congruence Shortcut: _____ _____ _____ Name the  triangles:  AFB  ______ Draw the triangles separately.Label.Mark the congruent parts.

11. 11 CONGRUENCE SHORTCUTS Triangles NOT Overlapping Congruence Shortcut: _____ _____ _____ Name the  triangles:  AEB  ______ List the pairs of congruent parts.

12. 12 FLOW CHART PROOF