Well how many minutes are in an hour? 60. 60/2 is 30, so she can complete 30 problems in an hour. Since it's 30 for one hour, that means she can solve 60 in 2 hours.
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The points A and B and the center O of the circle form a right angle and AO = radius.
So by Pythagoras
16^2 = 15^2 + AO^2
AO = sqrt (16^2 - 15^2)
AO ( radius) = sqrt31 = 5,57 feet answer (to nearest hundredth)
This is your perfect answer
Answer:
1) 14°
2)117°
3) 78°
4) 66°
5) 64°
6) 28°
7)35°
8) 48°
Step-by-step explanation:
just subtract both angles from 180 because all triangle's angles always add up to 180°
More info pls. Thank you like if u have a clear definition would help.
