Question

EXERCISE 14.4
same si
On a wal]
centre wh
costing RS
54
3. The length and breadth of a ground are 30m and 20m, respectively. Find the cost of levelling the
1. Complete the following table :
Rectangle
Length(m) Breadth(m)
Area (sq.m)
10
6
9
90
18
7.5
8
16
5
297
11
2. Find the area of the square of the following sides:
12 m
(ii) 35 cm
(iii) 40 cm
Find the
11
5cn
5c
(v) 0.45 cm
(iv) 2.5m
(i)
(vi) 19m
breadth
Find th
(1) le
Findt
(i) 2
Pink
recta
ground at the rate of Rs 2 per sq. m.
4. The area of a rectangular garden 30m longis 150m”. Find the width of the garden.
5. Find the area of a square whose perimeter is
(i) 40 m
(ii) 176 cm
6. A rectangle has an area equal to that of a square of side 40 cm. If the breadth of the rectangleis
20cm; find its length.
7. Six square flower beds each of side 1.5m are dug on piece of land 20m long 10m wide. Find the
area of the remaining part of the land?
8. A black board is 1m 35cm long and 1m 12cm broad. Find the cost of painting the board at a rate
S
of 15 paise per square centimetre.
9. What will happen to the area of rectangle if its -
(a) length and breadth are doubled.
(b) length is halved and breadth is tripled.
10. Find the area of each piece.
The
ofth
Afl
floc
Но
Fit
A
le
+2cm
3cm
4*
* 5
1​

Answer 1

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