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Since ABQ and BCQ are equilateral, the angles ABP and CBQ are both 60^\circ. So \angle{PBQ} = 360^\circ-90^\circ-60^\circ-60^\circ=150^\circ
On a clock the three hands - the second, minute and hour hands - are on the same axis. How often in a 24 hour day will the second hand be parallel to either of the two other hands?
Can you use LOGO to create this star pattern made from squares. Only basic LOGO knowledge needed.