Three Dimensional Geometry Test

Result

Three Dimensional Geometry Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

The locus of a point which moves so that the difference of the squares of its distances from two given points is constant, is a:

A
straight line

B
plane

C
sphere

D
none of these
Question 2
1 / -0

The equation x² + 3y² - 9x + 2y + 1 = 0, represents

A
a circle

B
an ellipse

C
a parabola

D
hyperbola
Question 3
1 / -0

The equation of XOY plane is

A
x = 0

B
y = 0

C
z = 0

D
z = c
Question 4
1 / -0

The medians of a triangle are concurrent at the point called

A
Circumcentre

B
Orthocentre

C
Centroid

D
Incentre
Question 5
1 / -0

The area of the triangle formed by the points (a, b + c), (b, c + a) and (c, a + b) is equal to

A
abc

B
a² + b² + c²

C
ab + bc + ca

D
0
Question 6
1 / -0

The equation xy = 0 in three dimensional space represents

A
a pair of straight lines

B
a plane

C
a pair of planes at right angles

D
a pair of parallel planes