Joe wants to saw a wooden plank into 3/4 -meter pieces. The length of the wooden plank is 15/4meters. How many 3/4 -meter pieces
2 answers:
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M is the midpoint of AC.
So, MA = MC
M is the midpoint of BD.
So, MB = MD
Also, since the midpoints of AC and BD coincide,
AC bisects BD and BD bisects AC.
Hence, our conjecture is MA = MB = MC = MD.
