I'm back I need help with both of these questions
1 answer:
1st
90+55+x=180 (Angles inside a triangle equal 180 degrees) Solve for x
x = 35 degrees
2nd
2 non-adjacent angle in a triangle is equal to the exterior angles, therefore
25 + x + 15 = 3x + 10 Solve for x
40 + x = 3x + 10
-10 -1x -1x -10
<u>30 = 2x</u>
2
x = 15 degrees
Therefore angle ABC is x + 15 where x + 15
Therefore angle ABC = 30 degrees
Who ever hand wrote in those degrees/equations didn't really think it out because < A + <B should be greater than 90 not less than 90
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