7.1 Angle Relationships in Triangles

📖 Chapter 7 Geometric Relationships
📄 Page 364
🎥 45 videos
Total Videos
45
Playlists
2
Textbook Page
364
Grade Level
9

9mcgraw7.1lectures

12 videos

📺 View Playlist
1

000. Section Intro

Question
🎬 ElozRcJa0DI
▶ Watch
2

001. Sum of Interior Angles of a Triangle

0🎬 TC_eZNuMFpw
▶ Watch
3

002. Triangle Angle ex1

0🎬 1ydT4f_37Q8
▶ Watch
4

003. Triangle Angle ex2

0🎬 MQ33qmCqfpk
▶ Watch
5

004. Exterior Angle ex1

0🎬 b251Pj4KjDI
▶ Watch
6

005. Exterior Angle ex2

0🎬 t49ikcyBGAo
▶ Watch
7

006. Exterior Angle Summary

0🎬 DSfjGhhk0u8
▶ Watch
8

007. Sum of Exterior Angle ex1

0🎬 GWv2zFXSBRU
▶ Watch
9

008. Sum of Exterior Angle ex2

0🎬 tPaGIkcBQX0
▶ Watch
10

009. Sum of Exterior Angle ex3

0🎬 huMWm-Y0y10
▶ Watch
11

010. Advanced ex1

0🎬 ufEVSRDQefM
▶ Watch
12

011. Advanced ex2

0🎬 yh9uzKg0BVQ
▶ Watch

yt.import.sol.1256

33 videos

📺 View Playlist
1

001. Q1a

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:300🎬 cU-Qx-6s3tM
▶ Watch
2

001. Q1b

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:220🎬 IAikOZXYcGw
▶ Watch
3

001. Q1c

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:170🎬 VwKO3TQr4vk
▶ Watch
4

001. Q1d

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:290🎬 Q8MaHRWqQBY
▶ Watch
5

002. Q2a

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:320🎬 dZaiTgyYQr0
▶ Watch
6

002. Q2b

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:210🎬 Mu8-AWAyFIQ
▶ Watch
7

002. Q2c

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:300🎬 ekCDKcciF3U
▶ Watch
8

003. Q3

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
🎬 6NM8NHpINCo
▶ Watch
9

004. Q4a

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:150🎬 RoStB9dlICs
▶ Watch
10

004. Q4b

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:370🎬 -Ko_pO0bEmA
▶ Watch
11

004. Q4c

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:160🎬 Qai77wDEW3g
▶ Watch
12

005. Q5a

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:150🎬 yFV3jFNdS9M
▶ Watch
13

005. Q5b

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:390🎬 TmhXQ66WvmQ
▶ Watch
14

005. Q5c

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:570🎬 0ao6adwMdIU
▶ Watch
15

005. Q5d

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:570🎬 QTudGcq--po
▶ Watch
16

005. Q5e

Question
Answer
🎬 2l6Vl7I2fWc
▶ Watch
17

006. Q6

Question
Answer
📚 Related Lectures
9 Math, Angles, Triangles, given Interior Angles, find Missing Angle
🎓 001. Proof that sum of angles is 180.
⏱️ 1:250🎬 xpMwFozE9uM
▶ Watch
18

007. Q7

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:210🎬 cLDnbrO1B7E
▶ Watch
19

008. Q8

Question
Answer
📚 Related Lectures
9 Math, Angles, Triangles, given Interior Angles, find Missing Angle
🎓 001. Proof that sum of angles is 180.
⏱️ 0:160🎬 IRiH_Ueekgk
▶ Watch
20

009. Q9a

Question
Answer
⏱️ 0:510🎬 Hv0_n6sbmiE
▶ Watch
21

009. Q9b

Question
Answer
📚 Related Lectures
9 Math, Angles, Triangles, given Interior Angles, find Missing Angle
🎓 001. Proof that sum of angles is 180.
⏱️ 0:200🎬 XQQf4ghG-Xg
▶ Watch
22

010. Q10a

Question
Answer
📚 Related Lectures
9.3.1 MATH, ANGLES, given.Supplementary.Angle, find
🎓 002. Three angles Supplement
🎓 001. Find Supplemental angle
⏱️ 0:140🎬 uQFqpSAydLg
▶ Watch
23

010. Q10b

Question
Answer
📚 Related Lectures
9.3.1.1 MATH, ANGLES in Triangle, given.Exterior Angles, find Missing
🎓 001. Exterior Angle of Triangle
⏱️ 0:320🎬 -2UPubMoBaQ
▶ Watch
24

011. Q11

Question
Answer
⏱️ 0:590🎬 KYR59zgBKqU
▶ Watch
25

012. Q12a

Question
Answer
📚 Related Lectures
9.3.1.2 MATH, ANGLES in Triangle, given Ratio of Angles Sizes, find
🎓 001. Finding missing angle when given ratio of angles
⏱️ 0:360🎬 1qTcXZ7J9QQ
▶ Watch
26

012. Q12b

Question
Answer
📚 Related Lectures
9.3.1.2 MATH, ANGLES in Triangle, given Ratio of Angles Sizes, find
🎓 001. Finding missing angle when given ratio of angles
⏱️ 0:590🎬 AfPv9Y8W0rM
▶ Watch
27

012. Q12c

Question
Answer
📚 Related Lectures
9.3.1.2 MATH, ANGLES in Triangle, given Ratio of Angles Sizes, find
🎓 001. Finding missing angle when given ratio of angles
⏱️ 0:450🎬 Do49tD7Go7w
▶ Watch
28

012. Q12d

Question
Answer
📚 Related Lectures
9.3.1.2 MATH, ANGLES in Triangle, given Ratio of Angles Sizes, find
🎓 001. Finding missing angle when given ratio of angles
⏱️ 0:380🎬 xArxsOTvG_4
▶ Watch
29

012. Q12e

Question
Answer
📚 Related Lectures
9.3.1.2 MATH, ANGLES in Triangle, given Ratio of Angles Sizes, find
🎓 001. Finding missing angle when given ratio of angles
⏱️ 0:520🎬 8YQSy_DwmpQ
▶ Watch
30

012. Q12f

Question
Answer
📚 Related Lectures
9.3.1.2 MATH, ANGLES in Triangle, given Ratio of Angles Sizes, find
🎓 001. Finding missing angle when given ratio of angles
🎬 yhGMS-F2jJw
▶ Watch
31

012. Q12g

Question
Answer
📚 Related Lectures
9.3.1.2 MATH, ANGLES in Triangle, given Ratio of Angles Sizes, find
🎓 001. Finding missing angle when given ratio of angles
🎬 T-bEE2IIvCg
▶ Watch
32

013. Q13

Question
Answer
⏱️ 0:290🎬 sVbfXs4kXWM
▶ Watch
33

014. Q14

Question
Answer
⏱️ 0:410🎬 rfdnKCu-BHA
▶ Watch