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Find the ratio of area of rectangle of length 12 cm and breadth 10 cm to that of area of square of side 11 cm.
Area of rectangle
Area of square
Ratio = 120 : 121
If the perimeter of a square is doubled then the ratio of original area to new area is
Perimeter of a square = 4a
Area is
Perimeter of new square
Area
Ratio
The perimeter of a rectangle is 3 times the perimeter of square of side 12 cm. If the length of rectangle is 54 cm. Area of rectangle is
Perimeter of rectangle = 3 (perimeter of square)
Area
If length of a rectangle is increased 10 times and its breadth is decreased to one – fifth how will the area be changed?
Original area
New area
A garden is 56 m by 35 m. A strip of 2 m width is dug all around it on the outside. Find the cost of digging at the rate of RS 4.20 per \(m^{2}\).
Area of shaded region
Cost of digging
A plot of land is in the form of a right triangular region , the legs are of length 10 m and 6 m. What is its area?
Area
The base of triangle is 23 m long and its area is \( 161 \ m^{2}\). Find the length of the corresponding altitude.
Area
The base of the right angled triangle is 4 cm and hypotenuse is 5 cm long. Find its area.
The length and breadth of a rectangular floor are 3.6 m and 2.4 m. How many square tiles will be needed to cover the floor if the side of tile is 20 cm.
Number of tiles
The area of the shaded region is
AM
Area of the shaded region
The filed in the form of a parallelogram has base 200 m and altitude 80 m long. The cost of watering the field at 10 paise per \(m^{2}\) is
Area
A door of length 2 m and breadth 1 m is fitted in a wall. The length of the wall is 4.5 m and breadth is 3.6 m. Find the cost of white washing the wall. If the rate of white washing is Rs 20 per \(m^{2}\).
Area of wall
Area of door
Area of remaining wall
Cost
The area of a square park is same and that of a rectangular park. If the side of the square park is 60 m and length of the rectangular park is 90 m. Find the breadth of the rectangular park.
Breadth
In order to fence a garden 72 m long and 56 m wide, metal posts are to be fixed every 5 m a part. Each post is 3 m long. Find the total length of the pipe.
Perimeter
No. of metal post
Total length of pipe
The dimensions of a photograph are \(30 \ cm \times 20 \ cm \). Find the length of the wooden frame needed to frame the photograph.
P
A park square in shape has each side of length 62 m. If 3 layers of barbed wire has to be fixed to fence it , find the length of the wire needed.
Length of wire needed
If the length of a rectangle is doubled and breadth does not change, its area will be :
Area
New area
The perimeter of a rectangle is 91 cm. Its length is (2x – 1) cm and breadth is (x + 9) cm then its breadth is
Breadth
A square lawn has a 2 m wide path surrounding it. If the area of the path is 136 \(m^{2}\) then the area of the lawn is
The area of isosceles triangle having the base 6 cm and length of each equal side 5 cm is
AD
Area
The rectangular lawn is 30 m by 20 m. It has two roads each 2 m wide running in the middle of it, one parallel to the length and other parallel to the breadth then the area of the road is
Area of the road
A rectangular park is 45 m long and 30 m wide. A path 2.5 m wide is constructed outside the park. The area of the path is
Area of the path
A circle has area which is 100 times the area of another circle. What is the ratio of their circumference ?
From a circular sheet of radius is 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining circle.
Area of remaining circle
Find the area of a triangle whose sides are 9 cm, 12 cm , 15 cm.
Area