Monday, 2 January 2012

Geometry - 20

If the lengths of diagonals DF, AG and CE of the cube shown in the adjoining figure are equal to the three sides of a triangle, then the radius of the circle circumscribing that triangle will be:
(1) Equal to the side of the cube     (2) √3 times the side of the cube   
(3) 1/√3 times the side of the cube           
(4) Impossible to find out from the given information

To enter your answers, click on comments below:


  1. Using body diagonal each side rt3 a n then apply A = abc / 4r Ans a