Ch.6 More about 3-D Figures
Worksheet I
Angles Between Two Planes
(a) ADE
(b) ACB
(c) ACF
(d) GHI
Size of the angle between two planes = _____________
Which groups of angle in the question 2 has the same size as the measured angle?
List out the angles in the group.
Which one(s) should we choose to represent the angle between two planes? Why?
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