The DAV Maths Book Class 4 Solutions and DAV Class 4 Maths Chapter 11 Worksheet 1 Solutions of Perimeter offer comprehensive answers to textbook questions.
DAV Class 4 Maths Ch 11 WS 1 Solutions
Question 1.
Tick (✓) the closed figures in the following:
Answer:
(b), (c), (e) and (g)
Question 2.
Tick (✓) the figures or shapes made of line segments only.
Answer:
(b), (d), (e), (h)
Question 3.
Draw the following:
(a) Two closed figures.
(b) Two open figures.
(c) Two closed figures using line segments only.
Answer:
DAV Class 4 Maths Chapter 11 Worksheet 1 Notes
Open figure:
The figures in which the curves begin and end at different points are called open figure.
Closed figure:
The curves begin and end at same point are called closed figures.
Perimeter:
The length of boundary of a closed figure is called the perimeter.
Rectangle:
A closed figure in which opposite sides are equal in length.
Square:
It is four-sided closed figure in which all the sides are equal.