CK-12 Geometry - Second Edition

http://www.ck12.org Chapter 7. Similarity 7.3 Similarity by AA Learning Objectives Determine whether triangles are similar. Und ...

7.3. Similarity by AA http://www.ck12.org Angles in Similar Triangles The Third Angle Theorem states if two angles are congruent ...

http://www.ck12.org Chapter 7. Similarity Solution:Find the measure of the third angle in each triangle.m^6 G= 48 ◦andm^6 M= 30 ...

7.3. Similarity by AA http://www.ck12.org 4 f t, 10 in x f t = 5. 5 f t 125 f t Notice that our measurements are not all in the ...

http://www.ck12.org Chapter 7. Similarity 1. 4 SAM∼4 2. SA? =SM? =RI? 3.SM= 4.T R= 5.^9 ?=? 8 Answer questions 6-9 about trapezo ...

7.3. Similarity by AA http://www.ck12.org 16. 17. 18. In order to estimate the width of a river, the following technique can be ...

http://www.ck12.org Chapter 7. Similarity Sebastian is curious to know how tall the announcer’s box is on his school’s football ...

7.4. Similarity by SSS and SAS http://www.ck12.org 7.4 Similarity by SSS and SAS Learning Objectives Use SSS and SAS to determi ...

http://www.ck12.org Chapter 7. Similarity Link for an interactive game of pool: http://www.coolmath-games.com/0-poolgeometry/ind ...

7.4. Similarity by SSS and SAS http://www.ck12.org Solution:Compare two triangles at a time. In the proportions, place the short ...

http://www.ck12.org Chapter 7. Similarity Repeat Step 1 and construct another triangle with sides 12 cm and 8 cm and the includ ...

7.4. Similarity by SSS and SAS http://www.ck12.org Example 4:Are there any similar triangles? How do you know? Solution:^6 Ais s ...

http://www.ck12.org Chapter 7. Similarity Know What? RevisitedFirst, we need to find the vertical length of the larger triangle. ...

7.4. Similarity by SSS and SAS http://www.ck12.org 6. AB? =BC? =AC? If 4 ABChad an altitude,AG=10, what would be the length of ...

http://www.ck12.org Chapter 7. Similarity 17. 18. Algebra ConnectionFind the value of the missing variable(s) that makes the two ...

7.4. Similarity by SSS and SAS http://www.ck12.org Find the slopes ofCA,AR,LOandOT. What are the measures of^6 Aand^6 O? Explai ...

http://www.ck12.org Chapter 7. Similarity 7.5 Proportionality Relationships Learning Objectives Identify proportional segments ...

7.5. Proportionality Relationships http://www.ck12.org Triangle Proportionality Think about a midsegment of a triangle. A midseg ...

http://www.ck12.org Chapter 7. Similarity From this investigation, it is clear that if the line segments are parallel, thenXYdiv ...

7.5. Proportionality Relationships http://www.ck12.org Solution:Use the Triangle Proportionality Theorem. 10 15 = BC 12 −→ 15 (B ...