Area
Perimeter
100
What is the definition of area?
The surface enclosed by a closed figure is called Area.
100
What is meant by perimeter?
Perimeter is the sum of the length of the boundaries of a closed figure.
200
Find the estimated area of the figure given below.
Remember - Area of each square is 1 sq. unit.
Estimated area of the given figure is 8 square units.
200
Length of a rectangle = 6 cm
Breadth of a rectangle = 2 cm
Calculate the perimeter.
Perimeter of a rectangle = 2 × (l + b)
= 2 x (6 + 2) cm
= 2 x 8 cm
Perimeter = 16 cm
300
Find the estimated area of the figure given below.
Estimated area of the given figure is 17 square centimeters.
300
Square Side = 7 m
Calculate the perimeter.
Perimeter of square = 4 × length of the side
= 4 × 7
= 28 m
400
What is the AREA of the figure below? Is it exact or an estimate?
Remember - Area of each square is 1 sq. unit.
About 13 square units - Estimate
400
What is the difference between area and perimeter?
Area is the amount of space an object takes up. Perimeter is the distance around the outside edge.
500
Find the estimated area of the figure given below.
Remember - Area of each square is 1 sq. unit.
Estimated area of the given figure is 21 square units.
500
What is the formula to calculate the perimeter of irregular polygons?
Perimeter of irregular polygon = Sum of length of all the sides