Basic Geometrical Ideas

Circumference of a circle is equal to

1. πr
2. 2πr
3. πr/2
4. 2 + πr/2

If the diameter of a circle is 14 cm, then its circumference is

1. 66 cm
2. 44 cm
3. 33 cm
4. 55 cm

The value of π is approximately equal to

1. 3.41
2. 3.14
3. 23/7
4. 21/7

An area bounded by a chord and the major arc is called

1. Minor segment
2. Major arc
3. Major segment
4. Semicircle

Angle inscribed in a minor segment is

1. Acute
2. Obtuse
3. Right
4. Straight

Each equal half part of a circle is called

1. Semicircle
2. Major circle
3. Minor circle
4. None

Number of radii that can be drawn in a circle

1. 2
2. More than 1 but less than 7
3. Many (infinite)
4. None of these

Number of arcs made by a chord on a circle

1. 3
2. 2
3. 1
4. None

Diameter of a circle is 7.12 cm. Then the radius is

1. 35.6 cm
2. 3.56 cm
3. 356 cm
4. 0.356 cm

The longest chord of a circle is

1. Diameter
2. Chord
3. Radius
4. None of these

The interior and boundary of a triangle together is called

1. Exterior
2. Interior
3. Triangular region
4. Plane

Line l is parallel to line m. Symbolically, this is written as

1. lm
2. l || m
3. l = m
4. None of these

The common end point of an angle is called

1. Vertex
2. Zero
3. End point
4. None of these

A chord passing through the centre of the circle is called

1. Chord
2. Diameter
3. Segment
4. Radius

A line segment joining any two points on the circle is called

1. Chord
2. Sector
3. Segment
4. Radius

The path formed by a point moving at the same distance from a fixed point is known as

1. Square
2. Circle
3. Semi-circle
4. Triangle

The unit of measuring an angle is

1. Minute
2. Second
3. Radian
4. Degree

Two different rays starting from a common end point form a/an

1. Point
2. Angle
3. Vertex
4. Line

A plane closed figure bounded by three line segments is known as

1. Triangle
2. Square
3. Rectangle
4. Circle

If three or more straight lines pass through the same point, the lines are called

1. Parallel lines
2. Intersecting lines
3. Perpendicular lines
4. Concurrent lines

A point determines a location and is usually denoted by

1. Small letter
2. Capital letter
3. Arrow
4. Symbol

A straight line that starts from a given fixed point and moves in the same direction is known as

1. Ray
2. Line segment
3. Perpendicular
4. Curved line

If three or more points lie on the same straight line, then the points are called

1. End-points
2. Common points
3. Collinear points
4. Non-collinear points

If two lines have one common point, they are called

1. Intersecting lines
2. Parallel lines
3. Line segment
4. Concurrent lines

The part of a straight line having two end points is known as

1. Line
2. Line segment
3. Curve
4. Surface