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X Y
a’
b’
c’
d’
e’
f’
a
1’2’
3’
4’
5’
6’7’
8’
9’
10’
11’
12’
e f a d b c
10 9
11
8
12
1
7
2
6
3
5
4
e f
a d
b c
109
11 8
12 1
7 2
6 3
5 4
30º
a1’
f1’ b1’
e1’ c1’
d1’
11’
121’ 21’
111’ 31’
101’ 41’
91’51’
81’ 61’
71’
Problem 5 : draw a regular hexagon of 40 mm sides, with its two sides vertical. Draw a circle
of 40 mm diameter in its centre. The figure represents a hexagonal plate with a hole in it and
having its surface parallel to the VP. Draw its projections when the surface is vertical and
inclined at 30º to the VP.