Proving the Sum of the Interior Angle Measures of a
Triangle Is 180°
Try it
Given: yll...
Mathematics, 18.07.2020 01:01 aaronscott6474
Proving the Sum of the Interior Angle Measures of a
Triangle Is 180°
Try it
Given: yll z
Prove: m25+ m2 2 + m26 = 180°
Angles Lines Statements Reasons
given
def. of
substitution
def. of straight angle
A
M
1
2 3
Y
Reasons
2. angle addition postulate
5
6
7 z
Statements
✓ 2. m 21+ m2 2 + m23 =
mZLAM
✓ 3. m21+ m2 2 + m23 = 180
4. 21-25
5. 23-26
6. mZ1 = m25
✓ 7. m3 = m26
✓ 8. m25+ m2 2 + m26 = 180
3. def. of straight angle
4. alternate interior angles theorem
5. alternate interior angles theorem
6. def. of
7. def. of
С
B
Correct! You have completed this
exercise
8. substitution
Answers: 1
Mathematics, 21.06.2019 23:40
Me d is also an option but i couldn't get it in the picture
Answers: 2
Mathematics, 22.06.2019 02:00
Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.
Answers: 3
Mathematics, 20.05.2020 18:57
Computers and Technology, 20.05.2020 18:57
Mathematics, 20.05.2020 18:57
Arts, 20.05.2020 18:57
Mathematics, 20.05.2020 18:57
Mathematics, 20.05.2020 18:57
Mathematics, 20.05.2020 18:57
History, 20.05.2020 18:57