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

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 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

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