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OT Analog clock math problems

Posted By: Jason Lee
Date: Monday, 3 May 2010, at 10:57 p.m.

Problem #1: How many times in a day do the hour and minute hands of a clock form a right angle?

Problem #2: How many times in a day do the hour, minute, and second hands of a clock form 120 degree angles with each other?

These are math problems, so assume the clocks are perfectly accurate and that we can measure angles exactly.

JLee

Messages In This Thread

• OT Analog clock math problems
  Jason Lee -- Monday, 3 May 2010, at 10:57 p.m.
  • OT Analog clock math problems
    Bob Koca -- Tuesday, 4 May 2010, at 12:11 a.m.
    • OT Analog clock math problems
      Sam Pottle -- Tuesday, 4 May 2010, at 12:24 a.m.
      • OT Analog clock math problems
        Bob Koca -- Tuesday, 4 May 2010, at 12:26 a.m.
  • OT Analog clock math problems
    Bob Koca -- Tuesday, 4 May 2010, at 12:14 a.m.
    • OT Analog clock math problems
      Timothy Chow -- Tuesday, 4 May 2010, at 12:20 a.m.
      • OT Analog clock math problems
        Sam Pottle -- Tuesday, 4 May 2010, at 12:25 a.m.
    • OT Analog clock math problems
      Jason Lee -- Tuesday, 4 May 2010, at 12:34 a.m.
  • OT Analog clock math problems
    Daniel Murphy -- Tuesday, 4 May 2010, at 2:19 a.m.
  • OT Analog clock math problems
    joe freedman -- Tuesday, 4 May 2010, at 2:22 a.m.
    • OT Analog clock math problems
      joe freedman -- Tuesday, 4 May 2010, at 2:34 a.m.
    • OT Analog clock math problems
      Jason Lee -- Tuesday, 4 May 2010, at 3:41 a.m.
  • OT Analog clock math problems
    Daniel Murphy -- Tuesday, 4 May 2010, at 4:59 a.m.
  • OT Analog clock math problems
    Bob Koca -- Tuesday, 4 May 2010, at 6:26 a.m.
    • OT Analog clock math problems
      Bob Koca -- Tuesday, 4 May 2010, at 6:31 a.m.
  • OT Analog clock math problems
    Nack Ballard -- Tuesday, 4 May 2010, at 11:17 a.m.
    • OT Analog clock math problems
      Nack Ballard -- Tuesday, 4 May 2010, at 5:22 p.m.
  • are we on the clock answering this?
    Chuck Bower -- Tuesday, 4 May 2010, at 1:38 p.m.
    • are we on the clock answering this?
      Timothy Chow -- Tuesday, 4 May 2010, at 3:56 p.m.
      • are we on the clock answering this?
        Chuck Bower -- Tuesday, 4 May 2010, at 7:22 p.m.
  • OT Analog clock math problems
    Tom Keith -- Tuesday, 4 May 2010, at 5:36 p.m.
  • OT Analog clock math problems
    storm -- Tuesday, 4 May 2010, at 6:26 p.m.
    • OT Analog clock math problems
      storm -- Tuesday, 4 May 2010, at 6:29 p.m.
      • OT Analog clock math problems
        Nack Ballard -- Tuesday, 4 May 2010, at 8:47 p.m.
        • OT Analog clock math problems
          Nack Ballard -- Wednesday, 5 May 2010, at 2:33 a.m.
  • OT Analog clock math problems
    Daniel Murphy -- Tuesday, 4 May 2010, at 6:47 p.m.