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Math - Geometry Lesson Plans : Perimeter & Area of Rectangles & Squares


Mensuration - Solve each exercise problem related to perimeter and area of rectangles and squares given below.

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1.

A corridor is 15 m long and 8 m broad. Find the cost (in $) of carpeting it with a carpet 60 cm long at 4 per meter.
 
Hint      

2.

Find the area (in m2) of a swimming pool in the shape of a rectangle whose one side measures 15 m and the length of whose diagonal is 25 m.
 
Hint      

3.

A piece of land in the shape of a rectangle is 25 m long and 16 m wide. It is to be covered with grass leaving 0.5 m all around it. Find the area (in m2) that will not be covered with grass.
 
Hint      

4.

The length of a rectangle is 20 m and its breadth is 15 m. If the length is increased to 30 m, what will be the breadth (in m) of the rectangle given that the area remains the same?
 
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5.

The length of a rectangular hall is 10 m more than its breadth. The area of the hall is 875 m2. Find its length (in m).
 
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6.

The difference between the length and the breadth of a rectangle is 25 m. If its perimeter is 210 m, find its area (in m2).
 
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7.

A rectangle of area 180 m2 and perimeter 56 m has its length equal to x m. Find its length (in m).
 
Hint      


 
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