Page 119 - Revised Maths Wisdom Class - 6

Perimeter and Area 117

4. The length of a rectangle is thrice its breadth. Find the area of the rectangle _________.
5. Perimeter of a square of side 4.5 cm is _________ cm.

D Write ‘t’ FOr true and ‘F’ FOr False stateMents Write ‘t’ FOr true and ‘F’ FOr False stateMents

1. The perimeter of an equilateral triangle = 3 × side.

2. If the perimeter of a regular hexagon is 12 cm, its side is 2 cm.
3. The perimeter of square whose are is 16 cm is 10 cm.
2
4. If the side of a square is doubled, the perimeter of the square is halved.
5. The breadth of a rectangle of area 64 cm and length 8 cm is 4 cm.
2

E Case study Based QuestiOns Case study Based QuestiOns
Jiya has a field with a flower bed and grass land.
The grass land is in the shape of rectangle while
flowerbed is in the shape of square. Total area of the
whole land is 1260 m and the widths of grassland
2
and flower bed are same as 15 m.

Read the above paragraph carefully and answer
the following questions:
Grass Flower Bed
1. What is the area of grassland?
(a) 1035 m (b) 1360 m (c) can’t be determine (d) 1260 m 2
2
2
2. What will be the perimeter of the grassland?
(a) 69 m (b) 15 m (c) 168 m (d) 130 m
3. What is the total perimeter of Field?
(a) 124 m (b) 150 m (c) 198 m (d) 212 m
4. What is the area of flower bed?

(a) 225 m (b) 15 m (c) 168 m (d) 212 m 2
2
2
2
F assertiOn-reasOn Based QuestiOns assertiOn-reasOn Based QuestiOns
Directions for Questions 1 to 2: In each of the questions given below, there are two statements marked as
Assertion (A) and Reason (R). Mark your answer as per the codes provided below:
(a) Both A and R are true and R is the correct explanation of A.

(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false. (d) A is false but R is true.
Q. 1. Assertion (A): The perimeter of a square of side 5cm is 25.

Reason (R): The standard unit of length is meter.
Q. 2. Assertion (A): Perimeter of a rectangle = 2 (L + B).
Reason (R): Perimeter refers to the boundary that surrounds a closed figure.
Q. 3. Assertion (A): Perimeter of square = 4 × side : Area = side × side.

Reason (R): Perimeter is one dimension as only length is involved .Area is two dimensional as length and
breadth are involved.