3-d

Related Questions

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• If a line makes angles $\alpha ,\beta ,\gamma ,\delta $ with four diagonals of a cube, then the value of ${{\sin }^{2}}\alpha +{{\sin }^{2}}\beta +$ ${{\sin }^{2}}\gamma +{{\sin }^{2}}\delta $ is

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• If a plane cuts off intercepts $OA=a,OB=b,$ $OC=c$ from the co-ordinate axes, then the area of the triangle $ABC$ =

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• The plane $\frac{x}{a}+\frac{y}{b}+\frac{z}{c}=3$ meets the co-ordinate axes in $A,B,C$ . The centroid of the triangle ABC is

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