i need help with 7.8. 7. Fill in the following flowchart proof of the Triangle Sum Theorem.Substitutionmz1 + mZ2+ m23 = 180°mZA + mZ2+ mZC = 180For lines, alt. Int. Zs =m41 = mZA, m43 = m2CDraw Line/throughB parallel to AC13Parallel PostulateGiven: AABCProve: mZA+m2+mZC3180*Angle Addition, definitionof straight angle8. REINFORCE In ACAT, m 2C = (15x)', m ZA = (5x + 40)*, and m T = (10x + 20). Findthe measures of each interior angle of ACAT.HIFT Lock angle

Answered: Image /qna-images/answer/a4145d94-9064-49d8-964a-e5575514cd54.jpg

Answered: REINFORCE In ACAT, m C = (15x)", m ZA =…

REINFORCE In ACAT, m C = (15x)", m ZA = (5x + 40)', and m T = (10x+ 20). Find the measures of each interlor angle of ACAT.

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter7: Locus And Concurrence

Section7.2: Concurrence Of Lines

Problem 30E: In MNP for Exercise 29, medians MB, NA and PC intersect at centroid Q. a Find QB If MQ=8.2. b Find...

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Question

i need help with 7. 8.

7. Fill in the following flowchart proof of the Triangle Sum Theorem.
Substitution
mz1 + mZ2+ m23 = 180°
mZA + mZ2+ mZC = 180
For lines, alt. Int. Zs =
m41 = mZA, m43 = m2C
Draw Line/through
B parallel to AC
1
3
Parallel Postulate
Given: AABC
Prove: mZA+m2+mZC3180*
Angle Addition, definition
of straight angle
8. REINFORCE In ACAT, m 2C = (15x)', m ZA = (5x + 40)*, and m T = (10x + 20). Find
the measures of each interior angle of ACAT.
HIFT Lock angle

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