1. Laxmi Institute of Technology, sarigam
Draw an ellipse by general method, given distance of focus from directrix 65mm and eccentricity ¾. A 1’ E C F V 1 B
Given CF=65mm
Given, eccentricity=3/4. Therefore divide CF in 7 equal parts and mark V at 3rd division from F
Laxmi Institute of Technology, sarigam

2. PROBLEM
A regular hexagon of 40mm side has a corner in the HP. Its surface inclined at45° to the HP and the top view of the diagonal through the corner which is in the HP makes an angle of 60° with the VP. Draw its projections.
Top view of the diagonal making 60° with the VP.
Plane inclined to HP at 45°and ┴ to VP
Plane parallel to HP d’
d1’
c’ e’
c1’
e1’
b’ f’
b1’
f1’
b’ f’
c’ e’ X a’ Y a’ d’
45°
a1’
60° f1 f1 e1 a1 f e e1 b1 a d d1 a1 d1 c1 b c b1 c1

3. 3 4 2 P3 P4 5 3’ 4’ 1 P2 2’ 5’ P5 1’ P1 6’ P6
P12 12 6
12’ 7’
11’ P7
P11 8’
10’ 7 9’ P8
P10 11 P9 8 10 9

4. PROBLEM: A point moves in a plane in such a way that its distance from a fixed point is equal to its distance from a fixed line. The distance between fixed point and the fixed line is 65 mm. A 1’ E 2’ 3’ 4’ F C D 1 2 3 4 B