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Maths Intro to Three Dimensional Geometry Class 11 MCQ and Assertion Questions

10 Question MCQ (including Assertion) · Class 11 · Maths · CBSE

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Chapter 11 Class 11 - Intro to Three Dimensional Geometry | 10 questions | about 8 minutes

Practise Intro to Three Dimensional Geometry Class 11 with Teachoo's 10 Question MCQ (including Assertion) (Class 11 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 10
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Question 1 of 10
The perpendicular distance of the point \(P(3, -4, 5)\) from the \(XY\)-plane is:
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Question 2 of 10
A point \(P(x, y, z)\) has coordinates with signs \((+, -, -)\). In which octant is \(P\) located?
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Question 3 of 10
If the origin is the centroid of a triangle with vertices \(P(2a, 2, 6)\), \(Q(-4, 3b, -10)\), and \(R(8, 14, 2c)\), then the values of \(a, b, c\) are:
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Question 4 of 10
A triangle has vertices \(A(0, 0, 6)\), \(B(0, 4, 0)\), and \(C(6, 0, 0)\). The length of the median passing through vertex \(A\) is:
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Question 5 of 10
Two opposite main diagonal vertices of a cube are \((0, 0, 0)\) and \((4, 4, 4)\). What is the total surface area of the cube?
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Question 6 of 10
The perimeter of the triangle with vertices \(A(0, 4, 0)\), \(B(0, 0, 3)\), and origin \(O(0, 0, 0)\) is:
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Question 7 of 10
The point symmetric to \(P(-2, 3, 5)\) with respect to the origin is:
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Question 8 of 10
Assertion (A): The locus of a point equidistant from \(A(2, 0, 0)\) and \(B(-2, 0, 0)\) is the plane \(x = 0\).
Reason (R): The plane \(x = 0\) represents the \(YZ\)-plane, every point of which is equidistant from \((a, 0, 0)\) and \((-a, 0, 0)\).
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Question 9 of 10
The perpendicular distance of any general point \(P(x, y, z)\) from the \(x\)-axis is:
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Question 10 of 10
Assertion (A): The length of the orthogonal projection of a line segment of length \(10\text{ units}\) parallel to the \(z\)-axis onto the \(XY\)-plane is \(10\text{ units}\).
Reason (R): Any line parallel to the \(z\)-axis is perpendicular to the \(XY\)-plane.
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This 10 Question MCQ (including Assertion) covers Intro to Three Dimensional Geometry Class 11 for Class 11 · Maths · CBSE. Practise the questions in the interactive quiz and check your answers.

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