In this chapter, we provide RD Sharma Class 6 ex 20.1 Solutions Chapter 20 Mensuration for English medium students, Which will very helpful for every student in their exams. Students can download the latest RD Sharma Class 6 ex 20.1 Solutions Chapter 20 Mensuration Maths pdf, Now you will get step by step solution to each question.
RD Sharma Solutions for Class 6 Chapter 20 Mensuration Ex 20.1 Download PDF
Chapter 20: Mensuration Exercise 20.1
Which of the following are closed curves? Which of them are simple?
Figure (ii), (iii), (iv), (vi), and (vii) are closed curves, whereas Figure (ii), (iii), (iv) and (vi) are simple closed curves.
Define perimeter of a closed figure.
The length of the boundary of a closed figure is known as its permieter.
Find the perimeter of each of the following shapes:
Perimeter = Sum of lengths of all sides os a closed figure
(i) Perimeter = ( 4 + 2 + 1 + 5) cm = 12 cm
(ii) Perimeter = (23 + 35 + 40 + 35) cm = 133 cm
(iii) Perimeter = (15 + 15 + 15 + 15) cm = 60 cm
(iv) Perimeter = (3 + 3 + 3 + 3 + 3) cm = 15 cm
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