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19 votes
19 votes
Can you help me on this assignment

User Casey Chu
by
3.0k points

1 Answer

30 votes
30 votes

When two parallel lines are intersected

they are called, external angles

external angles are suplementary , sum of both measures 180°

THEN

(8x + 6 ) + (9x - 30) = 180°

Now to find x

separate, isolate variable x

Then

8x + 9x = 180 - 6 + 30 = 204

17x =204

x= 204/17 = 12

User Al Duncanson
by
3.1k points
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