Question

Thus, area of the path is 96 m2
Example 5 A rectangular lawn measuring
25 m by 16 m is to be surrounded externally
by a path which is 3 m wide. Calculate the
cost of levelling it at 3.50 per sq.m.
... Area of path =
=(30 20 - 28 x 18) m2
= (600 - 504) m2 = 96 m2
C
6.
EXERCISE 11
1. Find the area of the following figures :
(1) A rectangle with length, 1 = 2 m
30 cm and breadth, b = 60 cm
(ii) A square of side 3.2 m.
(ii) A triangle with base 400 m and height
350 m.
(iv) A circle with radius 28 m.
(o) A parallelogram with base 35 m and
height 20 m
2. The area of a rectangular plot is 540 m2. If
its length is 27 m, find its breadth and
perimeter.
3. Find the cost of flooring a room 6.4 m by 4
m with square tiles of side 16 cm at the
rate of 3.50
per
tile.
4. A plain carpet 10 m long and 6.5 m wide
has a border of width 75 cm along each of
its sides. Find the total area of the border.
5. A rectangle has dimensions 12 cm x 6 cm.
If you draw a square of the same
perimeter, what will its area be?
166
MATHEMATICS-VIII​

Answer 1

Answer:

nothing but good things about English and math homework in this get lost

Answer 2

Answer:

1)13800 cm2

ii)10.24 m2

iii)70000

Step-by-step explanation:

iv)2464 m2

v)700m2

the breadth =20m and

perimeter =84m