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9th ICSE
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For the trapezium given below; find its area.

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Important Questions on Area and Perimeter of Plane Figures

EASY
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 20 - Area and Perimeter of Plane Figures>EXERCISE>Q 28
The perimeter of a rectangular board is 70 cm Taking its length as x cm, find its width in terms of x
If the area of the rectangular board is 300 cm2. find its dimensions.
EASY
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 20 - Area and Perimeter of Plane Figures>EXERCISE>Q 29

The area of a rectangle is 640 m2. Taking its length as x m; find, in terms of x, the width of the rectangle.

If the perimeter of the rectangle is 104 m; find its dimensions.

EASY
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 20 - Area and Perimeter of Plane Figures>EXERCISE>Q 30

The length of a rectangle is twice the side of a square and its width is 6 cm more than the side of the square. If the area of rectangle is three times the area of the square, find the dimensions of each.

MEDIUM
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 20 - Area and Perimeter of Plane Figures>EXERCISE>Q 31
ABCD is a square with each side 12 cm . P is a point on BC such that area of ∆ABP: area of trapezium APCD=1:5. Find the length of CP.
EASY
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 20 - Area and Perimeter of Plane Figures>EXERCISE>Q 32
A rectangular plot of land measures 45m×30m. A boundary wall of height 2.4 m is built all around the plot at a distance of 1 m from the plot. Find the area of the inner surface of the boundary wall.
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9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 20 - Area and Perimeter of Plane Figures>EXERCISE>Q 33
A wire when bent in the form of a square encloses an area =576 cm2. Find the largest area enclosed by the same wire when bent to form an equilateral triangle.
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9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 20 - Area and Perimeter of Plane Figures>EXERCISE>Q 34
A wire when bent in the form of a square encloses an area =576 cm2. Find the largest area enclosed by the same wire when bent to form a rectangle whose adjacent sides differ by 4 cm
EASY
9th ICSE
IMPORTANT
Concise Mathematics I.C.S.E - Class IX>Chapter 20 - Area and Perimeter of Plane Figures>EXERCISE>Q 35
The area of a parallelogram is y cm2 and its height is h cm. The base of another parallelogram is x cm more than the base of the first parallelogram and its area is twice the area of the first. Find, in terms of y, h and x the expression for the height of the second parallelogram.