Answer:
x = 21°
Step-by-step explanation:
Vertical angles have the same measures, therefore:
3x - 30 = 2x - 9
x - 30 = -9
x = 21°
Answer:
7.416198
Step-by-step explanation:
You must find out which number produces 55 when multiplied by itself
Answer:
Okay
Step-by-step explanation:
Well, the first one is 2/40=1/20. The 2nd one is 1/39. You multiply these to get 1/780.