L.E.Q. How do you prove 2 triangles are congruent using the SSS and SAS postulates?

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Presentation transcript:

L.E.Q. How do you prove 2 triangles are congruent using the SSS and SAS postulates?

 If the 3 sides of 1 triangle are congruent to the 3 sides of another triangle, then the 2 triangles are congruent.

 The bridge girders to the right are the same size as marked.  Is there enough info to prove ? Explain.

 If 2 sides and the included angle of 1 triangle are congruent to 2 sides and the included angle of another triangle, then the 2 triangles are congruent.

a. Other than the given info, what other info do you need to prove ?

b. What other info do you need to prove ?

a. Can you prove ? Explain.

 Pg #s 1-4, 8-17,