Answer:
i dnt know
Step-by-step explanation:
Step-by-step explanation:
I don't get the question a bit but I hope this makes sense
:)
We know: the sum of measures of triangle angles is 180°.
Therefore we have the equation

Substitute
:

<h3>Answer: 180 - 7x</h3>
Answer:
Step-by-step explanation:
k/9=10/3 multiply both sides by 9
k=90/3
k=30