The length of the edge of the regular tetrahedron D-ABC is ‘a’. Point E and F are...
1,202 views · Published 11 October 2018 · 13:50 · Indexed 4 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW 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.
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