Answer:
x = 21°
Step-by-step explanation:
Vertical angles have the same measures, therefore:
3x - 30 = 2x - 9
x - 30 = -9
x = 21°
Answer:
angle 1
Step-by-step explanation:
Answer:
6x-9 = 6x -9
infinite solutions as they are the same equation.
Answer:
Two acute and one right angle triangle can form a triangle
Step-by-step explanation:
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