Given that:

we get that:

Now, recall that the interior angles of a triangle add up to 180°, therefore:

Substituting:

in the previous equation, we get:

<h2>Answer: </h2>
Answer:
1 is 35 and 2 is 42 and 3 i think is 65
Step-by-step explanation:
Answer:
copper and illuminum
Step-by-step explanation:
i got it right on the test
adjacent and supplementary
(Please mark me brainliest! thank you in advance!!)