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1. What is the cost of tiling a rectangular plot of length 600m long and 300m wide at the
rate of Rs 7 per hundred sq. m?
2. A table top measures 2m by 2m 50cm. What is its area in square meters?
3. A room is 5m long and 4m wide. How many square meters of carpet is needed to
cover the floor of the room?
Answers
Answer ♡
Given
Perimeter of Rectangle is 60m
length is 4m more than four times it's breadth
To findi
length and breadth of the Rectangle
Slove
Let us assume the breadth of Rectangle be 'x'
according to the question
length would be => 4m+4x
Perimeter is 60m
Perimeter of Rectangle=2(length+Breadth)
=>60= 2( 4+4x +x)
=>60=2(4+5x)
=>2(4+5x)=60
=>4+5x=30
=>5x= 30-4
=>5x= 26
=>x= 26÷ 5
=>x=5.2
Now , breadth is 5.2m
length = 4+4x=4+4×5.2
length= 4+20.8=24.8m
Check
Perimeter of Rectangle=2( 24.8+5.2)
Perimeter of Rectangle=2(30)
Perimeter of Rectangle= 60m
Extra information=>
Perimeter is the total distance occupy by a solid 2D figure around its edge.
Area of Rectangle= length × breadth
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Answer:
1.AREA OF RECTANGLE = L×B
= 600×300
= 180000 m²
COST = 180000 × 7
=1260000rs
per hundred = 1260000÷ 100
= 12600 ₹
2. Area = 2 × 2.50
=5 m²
3. Area = 5×4
= 20m²