CBSE Class 6 Mathematics Basic Geometrical Ideas Assignment Set 09

Fill the gap

Question. The point, a line and plane, all are ........... terms
Answer: Undefined

Question. A dot gives us an idea of a .......
Answer: Point

Question. Edge of a notebook gives us an idea of .......
Answer: Line

Question. A smooth wall gives us an idea of .....
Answer: plane

Question. Two lines in a plane .......... if they are not parallel.
Answer: intersect

Question. Three or more points are ........ if they all lie on a line
Answer: Collinear

Question. Three or more lines passing through only one point are called ..... lines
Answer: Concurrent

Question. A part of line with two end-points is called .........
Answer: segment

Question. Two segments of length \( 4\text{ cm} \) and \( 4.5\text{ cm} \) are called ...... Segment
Answer: Unequal

Question. A ray has ....... end point
Answer: One

Question. A segment has ....... end-points
Answer: Two

Question. A line has ........ end-point
Answer: No

Question. A ray has ......... length
Answer: No definite

Question. An angle is formed by ...... rays with the same initial point called .......
Answer: Two; vertex

Question. The number of lines which can be drawn from a given point are .......
Answer: Infinite

Question. Through two different points in a plane there is .......... one line
Answer: Exactly

Question. The number of points on a line is .......
Answer: Infinite

Question. Two planes either intersect each other exactly in a ...... or are ......
Answer: line, parallel

Question. A diameter of a circle is ..... chord
Answer: Longest

Question. Any part of a circle is called an ...... of the circle
Answer: Arc

Question. If we join any two points of a circle by a line segment, we obtain a ...... of the circle
Answer: Chord

Question. A line passing through a circle and intersecting the circle at two points is called a ...... of a circle
Answer: Secant

Question. The perimeter of a circle is known as the ........ of the circle
Answer: Circumference

Question. The diameter of a circle is ...... the radius
Answer: Double

Question. Concentric circles are those circles having ....................
Answer: Same Centre