The DAV Maths Book Class 4 Solutions and DAV Class 4 Maths Chapter 11 Worksheet 2 Solutions of Perimeter offer comprehensive answers to textbook questions.
DAV Class 4 Maths Ch 11 WS 2 Solutions
Question 1.
Find the perimeter of the following figures by measuring the sides.
Answer:
Perimeter = sum of all sides,
perimeter of Δ = 3.5 + 3.8 + 3.5
= 10.8 cm.
Answer:
Perimeter = sum of all sides
Perimeter of quadrilateral
= 3 + 4.4 + 3 + 4.4
= 14.8 cm.
Answer:
Perimeter = sum of all sides.
= 0.8 + 3 + 3 + 2.2 + 2.2 + 2.7
= 11.2 cm.
Answer:
Perimeter = sum of all sides
= 3.5 + 3.5 + 3.5 + 1.8
= 13.9 cm
Question 2.
Find the perimeters of the following figures using the measurements given below.
Answer:
Perimeter of figure
= 4 + 3 + 4 + 3
= 14 cm.
Answer:
Perimeter of figure
= 2 + 2 + 4 + 4 + 3
= 15 cm
Answer:
Perimeter of figure
= 1 + 4 + 4+ 1 + 3 + 3
= 16 cm
Answer:
Perimeter of figure
= 3 + 2 + 2 + 4 + 1 + 2
= 14 cm
DAV Class 4 Maths Chapter 11 Worksheet 2 Notes
Meaning of Perimeter:
The length of boundary of a closed figure is called the perimeter of the closed figure.
Perimeter:
= (3 + 1 + 3 + 1)
= 8 cm