RS Aggarwal Class 6 Math Twenty-one Chapter Concept Of Perimeter And Area Exercise 21E Solution EXERCISE 21E OBJECTIVE QUESTIONS Mark (√) against the correct answer in each of the following: (1) The sides of a rectangle are in the ratio 7 : 5 and its perimeter is 96 cm. The length of the rectangle is […]
RS Aggarwal Class 6 Math Twenty-one Chapter Concept Of Perimeter And Area Exercise 21D Solution EXERCISE 21D (1) Find the area of a rectangle whose (i) Length = 46 cm and breadth = 25 cm Solution: We know, Area = (length × breadth) sq units So, Area = (46 × 25) = 1150 cm2 (ii) […]
RS Aggarwal Class 6 Math Twenty-one Chapter Concept Of Perimeter And Area Exercise 21B Solution EXERCISE 21B CIRCUMFERENCE OF A CIRCLE – The perimeter of a circle is called its circumference. Circumference = 2πr units (1) Find the circumference of a circle whose radius is (2) Find the circumference of a circle whose diameter is (3) […]
RS Aggarwal Class 6 Math Twenty-one Chapter Concept Of Perimeter And Area Exercise 21A Solution EXERCISE 21A PERIMETER OF A PLANE FIGURE – The sum of the lengths of all side of all sides of a plane figure, or the length of its boundary, is called the perimeter of the figure. PERIMETER OF A RECTANGLE […]
