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

asked May 26, 2023 195k views

1 vote

by Slfan

2.9k points

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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

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

Vasigorc answered May 30, 2023

3.3k points

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