# Euclid's Definitions

## Trending Questions

**Q.**

The number of dimensions of a surface is

(a) 1

(b) 2

(c) 3

(d) 0

**Q.**

Whats the specific difference between **lemma and algorithms**?

**Q.**

What is the short definition of coordinate geometry????

**Q.**A solid has

- one
- two
- three
- four

**Q.**

Two distinct points in a plane determine ...............

Three lines.

A unique line.

Two lines.

None of these.

**Q.**A ______ is a breadthless length.

- cuboid
- line
- point
- square

**Q.**

Which statements are true regarding undefinable terms in geometry?

Select two options.

A points location on the coordinate plane is indicated by an ordered pair $\left(x,y\right)$

A point has one dimension, length.

A line has length and width.

A distance along a line must have no beginning or end.

A plane consists of an infinite set of points.

**Q.**

Which of the following is an example of a geometrical line?

Meeting place of two walls

Black Board

p of the sharp pencil

Sheet of paper

**Q.**

Two lines l and m are perpendicular to the same line n. Are l and m parellel to each other. Explain it briefly

**Q.**

What is the point in geometry?

**Q.**

If A, B, C are three collinear points, name all the line segment determined by them.

**Q.**

How many lines passing through origin are possible?

0

1

2

Infinite

**Q.**In the question, a statement of assertion (A) is followed by a statement of reason (R). Mark the correct choice:

Assertion (A): Through two distinct points there can be only one line that can be drawn.

Reason (R): There can be infinite number of lines that can be drawn through a single point.

**Q.**What is the real proof of ptolemys theorem?

**Q.**

What difference between a theorem and an axiom?

**Q.**Euclidean geometry is valid only for _________ surfaces.

- Curved
- Plane
- Curved & Plane both.
- None of the above.

**Q.**A point has

- One dimension
- Two dimensions
- Three dimensions
- No dimensions

**Q.**Which of the following statement is true?

- The floor and a wall of a room are parallel planes.
- The ceiling and a wall of a room are parallel planes.
- The floor and the ceiling of a room are parallel planes.
- Two adjacent walls of a room are parallel planes.

**Q.**Which of the following defines a plane?

- A surface where every point of the line joining any two points on it, lies on it.
- If two lines have no common point, i.e., they do not meet at all.
- The straight path between two points is called a line segment.
- Three or more lines intersect at the same point.

**Q.**

Why is Axiom 5, in the list of Euclid’s axioms, considered a ‘universal truth’? (Note that the question is not about the fifth postulate.)

**Q.**

Which of the following is a true statement ?

(a) The floor and a wall of a room are parallel planes.

(b) The ceiling and a wall of a room are parallel planes.

(c) The floor and the ceiling of a room are parallel planes.

(d) Two adjacent walls of a room are parallel planes.

**Q.**What is wonderwall forces of attraction

**Q.**Prove that two distinct lines cannot have more than one point in common.

**Q.**

The number of dimensions of a solid are

(a) 1

(b) 2

(c) 3

(d) 5

**Q.**

In the figure below PR is the perpendicular bisector of a line AB=16 cm then which of the following is true?

OP>OR

PB=PR

PA=PR

PA=PB

**Q.**How many planes can be made to pass through a line and a point not on the line?

**Q.**

From the given figure, name the following:

(i) Three lines

(ii) One rectilinear figure

(iii) Four concurrent points

**Q.**

Of all the line-segments that can be drawn from a point outside a line, the perpendicular is the shortest

False

True

**Q.**In how many points two distinct planes can intersect?

**Q.**Results derived by using postulates and axioms are called