Proving Triangles Congruent - White Plains Public Schools
[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
1
Day 1
SWBAT: Use properties of congruent triangles. Prove triangles congruent by using the definition of congruence.
2
3
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
4
5
6
Day 2 - Identifying Congruent Triangles
7
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:
8
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