6. Each side of a square flower bed is 2 m 80 cm long. It is extended by digging a strip 30 cm
wide all around it. Find the area of the enlarged flower bed and also the increase in the area
of the flower bed.
Hint. Increase in area = [(340)2 – (280)2 cm.
Answers
Answered by
8
Answer:
side=2.8m
extended by digging strip of 30cm on all sides
So final Side=2.8+0.6=3.4m
Area of Enlarged flower bed=3.4×3.4=11.56m
2
Initial Area=2.8×2.8=7.84m
2
Increased Area=11.56−7.84=3.72m
2
Answered by
3
Answer:
The area of new bed is 115600 cm². The change in area is 37200 cm².
Step-by-step explanation:
The area of a square is
where, a is side length.
It is given that the bed is 2m 80cm long.
The area of bed is
It is extended by digging a strip 30 cm wide all around it.
The new side length is
The area of new bed is
The area of new bed is 115600 cm².
Change in area is
Therefore the change in area is 37200 cm².
Step-by-step explanation:
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