RS Aggarwal Class 5 Solutions Chapter 17 Basic Geometrical Concepts
Exercise – 69
1) Which of the following has two end points?
a) a line
b) a ray
c) a line segment
d) a plane
Ans:c) a line segment
2) Which of the following has one end point?
a) a line segment
b) a ray
c) a line
d) a plane
Ans:b) a ray
3) Which of the following has no end points?
a) a line
b) a ray
c) a line segment
d) a plane
Ans: a) a line
4) Which of the following has a definite length?
a) a line
b) a line segment
c) a ray
d) a plane
Ans:b) a line segment
5) Which of the following can be drawn on a piece of paper?
a) a line
b) a line segment
c) a ray
d) a plane
Ans:b) a line segment
6) Draw a line segment of length:
a) 5 cm
Ans:
b) 6.3 cm
Ans:
c) 7.5 cm
Ans:
7) Match the entries in Column 1 and Column 2:
| Column 1 | Column 2 |
| 1. A ray has | A) a definite length |
| 2. A line has | B) no definite length |
| 3. A line cannot | C) only one end point |
| 4. A line segment has | D) two end points |
| 5. A line segment has | E) represents the part of a plane |
| 6. The face of the blackboard | F) be drawn on a paper |
Ans: 1 – (C), 2 – (B), 3 – (F), 4 – (A), 5 – (D), 6 – (E).
8) Fill in the blanks.
a) A ray has (_) end point.
Ans: one
b) A line has (_) end points.
Ans:no
c) A line (_) be drawn on a paper.
Ans:cannot
d) A ray has no (_) length.
Ans:definite
e) A line segment has a (_) length.
Ans:definite
9) Identify and name the line segments and rays in the following figures.
a) Ans:
Line segment: BC; Rays: BA, BD
b) Ans:
Line segment: DE, EF, DF; Rays: DG, EH, FI
c) Ans:
Line segment: OP, ON; Rays: NM, PQ
10) Mark suitable points and draw a diagram of each of the following.
a) A ray QR
Ans:
b) A line XY
Ans:
c) A line segment CD
Ans:
d) A ray MN
Ans:
Also Read:
Chapter 19 – Parallel and Perpendicular Lines