Area and Perimeter Calculations

The video tutorial covers various mathematical problems involving area and perimeter calculations. It begins with a review of formulas for calculating the area of rectangles and squares. The instructor then solves several problems, including finding the non-carpeted area of a floor, calculating the cost of tiling a plot, determining the perimeter and cost of netting a window, and calculating the cost of fencing a path. The tutorial concludes with a problem about a cow grazing a field and advice on practicing similar problems.

What is the formula for calculating the area of a rectangle?

• Length x Breadth

• Length + Breadth

• Length x Length

• 2 x (Length + Breadth)

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If a square carpet has a side of 3 meters, what is its area?

• 6 square meters

• 9 square meters

• 12 square meters

• 15 square meters

Tags

CCSS.6.G.A.4

How much would it cost to tile a 1000 square meter area at Rs. 8 per 100 square meters?

• Rs. 80

• Rs. 800

• Rs. 8000

• Rs. 80000

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a rectangular plot that is 500 meters long and 200 meters wide?

• 10,000 square meters

• 1,000 square meters

• 50,000 square meters

• 100,000 square meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If the cost of netting a window is Rs. 8000 at Rs. 10 per square meter, what is the area of the window?

• 8000 square meters

• 8 square meters

• 800 square meters

• 80 square meters

Tags

CCSS.4.MD.A.3

What is the perimeter of a rectangular window with a length of 40 meters and a breadth of 20 meters?

• 60 meters

• 80 meters

• 100 meters

• 120 meters

Tags

CCSS.3.MD.D.8

How much would it cost to fence a rectangular path with a perimeter of 600 meters at Rs. 12 per meter?

• Rs. 720

• Rs. 1200

• Rs. 6000

• Rs. 7200

Tags

CCSS.4.MD.A.3

What is the perimeter of a rectangular path with a length of 175 meters and a breadth of 125 meters?

• 300 meters

• 500 meters

• 400 meters

• 600 meters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If a cow grazes a square area with a side of 5 meters, what is the area grazed?

• 20 square meters

• 25 square meters

• 15 square meters

• 10 square meters

Tags

CCSS.3.MD.A.2

What is the ungrazed area of a rectangular field of 500 square meters if a cow grazes a 25 square meter area?

• 425 square meters

• 400 square meters

• 475 square meters

• 450 square meters

Tags

CCSS.3.MD.A.2