Question

each side of a square flower bed is 3 M 80 cm long it is extended by digging a strip 50 cm wide or around it find the area of a large flower bed and also the increase in the area of flower bed

Answer 1

Answer:

Step-by-step explanation:

Solution:-

Each side of flower bed = 3.8 m

Area = 3.8 × 3.8

Area of flower bed before extension = 14.44 sq m

If it is extended by digging a strip of 50 cm wide all around it, then the new side will be = 3.8 + 1.0 = 4.8 m

Area of the flower bed after extension = 4.8 × 4.8 

Area of enlarged flower bed = 23.04 sq m

Increase in the area of flower bed = 23.04 - 14.44

= 8.6 sq m

Answer.

Answer 2

Solution:-
Each side of flower bed = 3.8 m
Area = 3.8 × 3.8
Area of flower bed before extension = 14.44 sq m
If it is extended by digging a strip of 50 cm wide all around it, then the new side will be = 3.8 + 1.0 = 4.8 m
Area of the flower bed after extension = 4.8 × 4.8 
Area of enlarged flower bed = 23.04 sq m
Increase in the area of flower bed = 23.04 - 14.44
= 8.6 sq m

hope this helps you out!