Question

17. The perimeter of a square garden is 48 m. A small flower bed covers 18 sqm area inside this garde
(a) What is the area of the garden that is not covered by the flower bed? (b) What fractional pa
the garden is covered by flower bed? (c) Find the ratio of the area covered by the flower bed and
nd 10 m. Hall the area of the room is to be covered with blue​

Answer 1

Step-by-step explanation:

Perimeter of the square garden =48 m=4×sides

⇒side=

4

48

m=12 m

Let, the side of square is A

∴ Area of square =A

2

=(12 m)

2

=144 m

2

Area of small flower bed =18 m

2

Area of the garden not covers with flower bed

=144 m

2

−18 m

2

=126 m

2

The required fractional part of the garden which is covered by the flower bed =

Area of the square garden

Area of flower bed

=

144

18

=

8

1

The ratio of the area covered by the flower bed and the remaining area =

126

18

=

7

1

i.e. 1:7.