SOLUTION: At what time after 7 o'clock will the hands of the clock be a) together? b) at right angle? c) on a straight line?

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Question 5090: At what time after 7 o'clock will the hands of the clock be
a) together?
b) at right angle?
c) on a straight line?
Answer by lotanez(23) About Me  (Show Source):
You can put this solution on YOUR website!
at 9 o'clock the hands will make a 90 degree angle.
b. right angle