find the value of unknown x
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Answered by
3
Step-by-step explanation:
x = 70° + 50°. ( exterior angle property )
x = 120°
Answered by
0
Answer:
60
Step-by-step explanation:
The sum of 3 angles is 180
70+50+x=180
120+x=180
x=180-120
x=60
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