the side of asquare flower bed is 1.5m long it is enlarged by digging around 25cm wide strip all around outside it . find the area of the enlarged flower bed and also the increase in area of the flower bed
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4
1.5m=150cm
New side= 150+25=175cm=1.75m
Area of enlarged flower bed= 1.75×1.75=3.0625 m^2
Increase in area= Area of enlarged flower bed - Area of original flower bed
= 3.0625 - 1.5×1.5
=3.0625 - 2.25
= 0.8125m^2
New side= 150+25=175cm=1.75m
Area of enlarged flower bed= 1.75×1.75=3.0625 m^2
Increase in area= Area of enlarged flower bed - Area of original flower bed
= 3.0625 - 1.5×1.5
=3.0625 - 2.25
= 0.8125m^2
chetan65:
4.0 meter square
Answered by
3
Side of the square bed = 1.5 m = 150 cm
Area = side * side = 150 * 150 = 22500 cm²
New area = 200 cm (150 + 25 + 25) * 200 = 40000 cm²
Area enlarged = 40000 - 22500 = 17500 cm²
Increase area = 17500/22500 * 100% = 77.7%
Area = side * side = 150 * 150 = 22500 cm²
New area = 200 cm (150 + 25 + 25) * 200 = 40000 cm²
Area enlarged = 40000 - 22500 = 17500 cm²
Increase area = 17500/22500 * 100% = 77.7%
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