CBSE Class 6 Mathematics Basic Geometrical Concepts Worksheet Set 05

CBSE Class 6 Basic Geometrical Concepts Worksheet - Excellent worksheets prepared for CBSE students by the best teachers in Delhi.

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Worksheet - 4 Class VI Chapter - 4 (Basic Geometrical Concepts)

Question 1. Fill in the blank
i) Distance around a circle is its _______________.
ii) In given line (see figure below)
AC = AB + _____ ; BC = BD - ...............
iii) An angle is formed by two _____________ with same initial points called vertex.
Answer: i) circumference; ii) AC = AB + BC and BC = BD - CD; iii) rays
In simple words: The distance around a circle is its circumference, and two rays with the same starting point make an angle.

Exam Tip: Always name a segment by its two end points and a ray by its starting point first.

Question 2. Match the following
i) [figure: line with arrows at both ends through A and B]
ii) [figure: ray starting at A passing through B]
iii) [figure: segment from A to B]
a) Ray
b) Line Segment
c) Line
Answer: i) c) Line; ii) a) Ray; iii) b) Line Segment
In simple words: A line goes on forever in both directions, a ray has one end point, and a line segment has two end points.

Exam Tip: Look at the arrow heads: two arrows mean a line, one arrow means a ray, and no arrows mean a line segment.

Question 3. Name the intersecting pairs of line and points of intersection.
Answer: Line l intersects line m at point a. Line l intersects line n at point b. Lines m and n do not intersect.
In simple words: Two lines that cross each other meet at one point, called the point of intersection.

Exam Tip: Find the line that crosses the others first, then name the point where each crossing happens.

Question 4. In the following figure, answer the questions :-
i) Name the diameter of circle ______________.
ii) Name any radius of circle ______________.
iii) Name centre of the circle ______________.
iv) Name chord of circle other than diameter ______________.
v) One interior point in the circle ______________.
vi) A point on the circle ______________.
vii) Any exterior point of circle ______________.
Answer: i) AB; ii) OC (or OA or OB); iii) O; iv) ED; v) M; vi) A (or B, C, D, E); vii) L
In simple words: The centre O is in the middle, a diameter passes through the centre, a radius goes from the centre to the edge, and points inside, on, or outside the circle are different.

Exam Tip: A diameter always passes through the centre, while other chords do not.