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3 The diagram shows a tetrahedron ABCD.
M is the mid-point of CD. AB = 4m,
AC 3 m, AD= 3 m.
a
b
C
d
e
Calculate angle ACB.
Calculate BC.
Calculate CD.
Calculate the length of BM.
Calculate the angle BCD.
D
3 m
B
4 m
M
3 m
C

3 The diagram shows a tetrahedron ABCD M is the midpoint of CD AB 4m AC 3 m AD 3 m a b C d e Calculate angle ACB Calculate BC Calculate CD Calculate the length class=


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