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Mathematics | Three Dimensional Geometry

Angle between two lines Angle with Planes Direction ratios and Direction cosines Equation of a Plane Family of Planes Intersection of Planes
If a line makes a angles α, β and γ with the coordinate axes, then
Equation of a plane parallel to xz plane at unit distance is 
The number of dimensions, a surface has:
The three steps from solids to points are:
A right circular cylinder just encloses a sphere of radius r. Find the curved surface area of the cylinder.
March List I with List II :   List I   List II (A) Supplementary angles (I) Angles less than 90° (B) Complementary angles (II) Two angles whose sum is 180° (C) Acute angles (III) Angles greater than 90° but less than 180° (D) Obtuse angles (IV) Two angles whose sum is 90° Choose the correct answer from the options given below :
The radius of a sphere whose centre is (4, 4, -2) and which passes through the origin is:
What is the equation to the sphere whose centre is at (-2, 3, 4) and radius is 6 units?
If the angle between two lines whose d.rs are 1, 2, p − 1 and -3, 1, 2 is 90°, then p is
Equation of the sphere whose center is on the Y axes and which passes through the points (1, - 2, 5) and (5, 1, - 4)
A cube whose sides are 50 mm. Find the lateral surface area?
A cube whose sides are 30 mm. Find the surface area?
lf a line makes angles α, β, γ with OX, OY, OZ respectively where O = (0, 0, 0), then cos2α + cos2β + cos2γ is
Into how many compartments do the coordinate planes divide the space?
A cubical box has each edge 10 cm and another cuboidal box is 12.5 cm long, 10 cm wide and 8 cm high. Which box has the greater lateral surface area and by how much?
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