paki sagot po please i brai-brainlist kopo ang maka sagot
Share
paki sagot po please i brai-brainlist kopo ang maka sagot
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
Step-by-step explanation:
i'm confused with the figure and the given. coz in the figure the lines are m & n and cut by unlabeled, but reading the problem, the parallel lines are line x and line y which is cut by line z ( transversal line ). so no.15 will be line UnLabeled or line z.
anyway:
if m∠1 = 72°
find:
1. m∠2 = ?
180 = m∠1 + m∠2 = 72 + m∠2
m∠2 = 180 - 72 = 108°
2. m∠3 = m∠1 = 72° ( vertical angles)
or 180 = m∠3 + m∠2 = m∠3 + 108
m∠3 = 180 - 108 = 72°
3. m∠4 = m∠2 ( vertical angles)
or 180 = m∠4 + m∠1 = m∠4 + 72 (you can also use m∠3 instead of m∠1)
m∠4 = 180 - 72 = 108°
4. m∠5 = m∠1 = 72° corresponding angles are equal
5. m∠6 = m∠2 = 108° corresponding angles
or 180 = m∠6 + m∠5 = m∠6 + 72
m∠6 = 180 - 72 = 108°
6. m∠7 = m∠5 = 72° vertical angles
m∠7 = m∠3 = 72° corresponding angles
or 180 = m∠7 + m∠6 = m∠7 + 108
m∠7 = 180 - 108 = 72°
7. m∠8 = m∠6 = 108° vertical angles
m∠8 = m∠4 = 108° corresponding angles
or 180 = m∠8 + m∠7 = m∠8 + 72 (you can use m∠5 instead m∠7)
m∠8 = 180 - 72 = 108°
-- If m∠8 = 78°
find:
8. m∠1 =
solve for m∠5:
180 = m∠5 + m∠8 = m∠5 + 78
m∠5 = 180 - 78 = 102°
m∠1 = m∠5 = 102° ( corresponding angles)
9 m∠2 =?
180 = m∠2 + m∠1 = m∠2 + 102
m∠2 = 180 - 102 = 78°
10. m∠3 = m∠1 =102° ( vertical angles)
or 180 = m∠3 + m∠2 = m∠3 + 78
m∠3 = 180 - 78 = 102°
11. m∠4 = m∠2 = 78°
or 180 = m∠4 + m∠1 = m∠4 + 102 ( you can use m∠3 instead of m∠1)
m∠4 = 180 - 102 = 78°
12. m∠5 = 102° ( solve at no.8)
m∠5 = m∠1 = 102° (corresponding angle )
or 180 = m∠5 + m∠8 = m∠5 + 78
m∠5 = 180 - 78 = 102°
13. m∠6 = m∠8 = 78° ( vertical angles)
m∠6 = m∠2 = 78° (corresponding angle )
or 180 = m∠6 + m∠5 = m∠6 + 102
m∠6 = 180 - 102 = 78°
14. m∠7 = m∠5 = 102° ( vertical angles)
m∠7 = m∠3 =102° ( corresponding angle)
or 180 = m∠7 + m∠8 = m∠7 + 78 (you can use m∠6 instead of m∠8)
m∠7 = 180 - 78 = 102°
15. transversal line is line z or the (unlabeled)