Sec: 7.3 Sol:G.14

AA Similarity: If two _________ of one triangle are congruent to two _______ of another triangle, then the triangles are similar. Angles

Find

 SSS Similarity: If the measures of the corresponding ____________________ of two triangles are proportional, then the triangles are similar. ◦ Example: Determine if the following two triangles similar. Sides

SAS Similarity: If the measures of two __________of a triangle are proportional to the measures of two corresponding sides of another triangle and the included angles are _________, then the two triangles are similar. Example: Determine if the following two triangles are similar, if yes, then find x. Sides Congruent

Similarity of triangles is reflexive, symmetric, and transitive. ◦ Reflexive: ◦ Symmetric: if ◦ Transitive: if and

To estimate the height of a tree, a Girl Scout sights the top of the tree in a mirror that is 34.5 meters from the tree. The mirror is on the ground and faces upward. The scout is 0.75 meters from the mirror, and the distance from her eyes to the ground is about 1.75 meters. How tall is the tree?

Classwork: Handout Homework: Pg ,15,16,18,20,26