Page 117 - Revised Maths Wisdom Class - 6

Perimeter and Area 115

(d) (e) (f)

2. Find the area of rectangle whose dimensions are:
(a) l = 16 cm, b = 12.5 cm (b) l = 11.5 cm, b = 6.25 cm (c) l = 20 cm, b = 0.5 cm
3. Find the area of squares whose side is:
(a) 14 cm (b) 0.25 m (c) 1.5 km (d) 33 cm

4. Compare the areas of:
(a) square of 35.2 cm (b) rectangle of 20 cm and 10.5 cm
5. The perimeter of a rectangular garden is 190 m and breadth is 10.5 m. Find the length and area of the garden.

6. Find the cost of levelling a playground 51 m long and 40 m wide at ` 35 per square metre. Also, find the cost
of fencing it at ` 50 per metre.
7. The measures of two adjacent sides of a rectangle are in the ratio of 7 : 5. If the perimeter of the rectangle is
336 cm, find its area.

8. How many square tiles of side 14 cm will be required to pave the floor of a rectangular room of
9.8 m × 6.4 m?

9. How many envelopes can be made out of sheet of hand made paper 1 m 25 cm by 85 cm if each envelop
requires a piece of paper of size 17 cm by 5 cm? Rohan made these envelopes and sold them at ` 12.50 each.
What amount he collected?
3
10. The length of a rectangular field is 60 m and the breadth is th of its length. Find the area of the field.
4
11. Find the area of the following figures: (By splitting the figures into rectangles)

(a) 1.5 m (b) 1 m
2 m 2 m 2 m
1.5 m 3 m 3 m
5 m 2 m 1 m 1 m
1.5 m
3 m 3 m
1 m 2 m 2 m

4.5 m 1 m

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COMPETENCY BASED QUESTIONS

A Oral QuizOral Quiz

1. How many sides an octagon has?
2. If we turf a field then what we find its area or perimeter?