Home
Class 12
MATHS
The length of the edge of the regular te...

The length of the edge of the regular tetrahedron D-ABC is 'a'. Point E and F are taken on the edges AD and BD respectively such that E divides `vec [DA]` and F divides `vec [BD]` in the ratio 2: 1 each. Then find the area of triangle CEF.

Promotional Banner

Similar Questions

Explore conceptually related problems

The length of the edge of the regular tetradedron ABCD is 'a'. Points E and F are taken on the edges AD and BD respectively such that 'E' divides DA and 'F' divides BD in the ratio of 2:1 each. Then, area of triangleCEF is

D and E are points on the sides AB and AC respectively of a ABC such that DEBC and divides ABC into two parts,equal in area, find (BD)/(AB) .

If ABCD is quadrilateral and E and F are the mid-points of AC and BD respectively, prove that vec AB+vec AD+vec CB+vec CD=4vec EF

ABC is a triangle. D and E are two points on AB and AC respectively such that DE is parallel to BC and AD=1 cm , BD= 2cm . What is the ratio of the area of /_\ABC to the area /_\ADE .

If A B C D is quadrilateral and E and F are the mid-points of AC and BD respectively, prove that vec A B+ vec A D + vec C B + vec C D =4 vec E Fdot

D, E and F are respectively the mid-points of sides AB, BC and CA of Delta ABC . Find the ratio of the areas of Delta DEF and Delta ABC .