Proving Triangles Congruent

[Pages:87]Proving Triangles Congruent

Topic

Angles in Triangles/Definition of Congruent Triangles

Pages in Packet Pages 2-6

Assignment: (Honors TXTBK) HOLT TXTBK: Page 227#9-14,19-22,4142,45,49

Identifying Congruent Triangles Congruent Triangles Proofs C.P.C.T.C.

C.P.C.T.C. and BEYOND Isosceles Triangle

Pages 7- 13 Pages 16-21 Pages 25-29

Pages 30 - 33 Pages 34 - 37

Proving Triangles Congruent with hy.leg Right Angle Theorem & Equidistance Theorems

Detour Proofs

Pages 38-43 Pages 44-50

Page 51- 57

Missing Diagram Proofs

Pages 58- 62

Answer Keys Start on page 63

This Packet pages 14- 15 This Packet pages 22-24 Pages 127-129 #'s 6,12,13,18,21

Pages 135 #'s #2, 5, 7-11, 15

Page 155 #'s 20,21, 23, 24, 25 Page 160 # 16 Page 158 #'s 5, 12, 17

Pgs 182-183 #'s 4, 9, 14 Pg 189-190 #'s 14,15,16, 17, 20 Pages 174 ? 175 #'s 11,13,14,17 Page 141 #4 Page 179 #'s 8, 11, 12, 14

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Day 1

SWBAT: Use properties of congruent triangles. Prove triangles congruent by using the definition of congruence.

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5. 6. The angle measures of a triangle are in the ratio of 5:6:7. Find the angle measures of the

triangle.

7. Solve for m

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Day 2 - Identifying Congruent Triangles

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Geometric figures are congruent if they are the same size and shape. Corresponding angles and corresponding sides are in the same _______________ in polygons with an equal number of _______.

Two polygons are _________ polygons if and only if their _________________ sides are _____________. Thus triangles that are the same size and shape are congruent.

Ex 1: Name all the corresponding sides and angles below if the polygons are congruent.

Corresponding Sides

Corresponding Angles

Ex 2:

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