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Help please I don't know what to do on this and it is urgent I need this in 20min.

Help please I don't know what to do on this and it is urgent I need this in 20min.
asked 195k views
1 vote
Help please I don't know what to do on this and it is urgent I need this in 20min.

Help please I don't know what to do on this and it is urgent I need this in 20min-example-1
Help please I don't know what to do on this and it is urgent I need this in 20min-example-1
Help please I don't know what to do on this and it is urgent I need this in 20min-example-2
asked
User Slfan
by
7.4k points

1 Answer

3 votes

Question 1


\angle 1 and
\angle 2 are supplementary.


3x+20+x=180 \\ \\ 4x+20=180 \\ \\ 4x=160 \\ \\ x=40


\angle 1 and
\angle 4 are vertical angles. Thus,
m\angle 4=3(40)+20=140^(\circ).

Question 4


105+3x=180 \\ \\ 3x=75 \\ \\ x=25

answered
User Vasigorc
by
8.1k points
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