Worksheet Question: Perimeter & Area

# Worksheet Question: Perimeter & Area - Mathematics (Maths) Class 7

Q.1. Complete the following Table :

 Figure with Dimension Area Perimeter (a) Square ................................. ................................. (b) ................................. l × b ................................. (c) ................................. ................................. (d) Triangle ................................. .................................

Ans.

 Figure with Dimension Area Perimeter (a) Square a2 4a (b) l × b 2(l + b) (c) πr2 (d) Triangle a + b + c

Q.2. Fill up the blank : (i) 10000 m= .......................... hecture
(ii) 1 cm2 = ......................... m2
(iii) 1 m2 = ........................... cm2
(iv) 1 km2 = .......................... m2

Ans. (i) 1
(ii) 100
(iii) 10000
(iv) 1000000

Q.3. The perimeter of a square park is 2000 m. Find its area.

Ans. 250000 m2

Q.4. State whether the given statement are True or False:

(i) All the triangles that are equal in the area are congruent.
(ii) Al congruent triangles are equal in area.
(iii) Ratio of the circumference and the diameter of a circle is more than 3.

(iv)  figure (b) has greater perimeter than figure (a)

Ans. (i) False
(ii) True
(iii) True
(iv) True

Q.5. Fill up blanks : (i) Perimeter of a regular polygon = length of one side × ........................
(ii) The distance around a circle is its ..........................
(iii) If a wire in the shape of the square is rebent into a rectangle, then the ................... of both shapes remain same, but ....................... may very.

(iv)

If figure area of parallelogram BCEF is .............. cm2 where ACDF is a rectangle.

Ans. (i) Number of sides
(ii) Circumference
(iii) Perimeter, Area
(iv) 35

Q.6. A shopkeeper sells two kinds of 'Till Patti'. A square 'Till Patti" of side 19 cm cost  ₹25 and a circular 'Till Patti' of diameter 21 cm cost  ₹25 which Till Patti is a better deal and why?

Ans. Square shape till pati is a better deal because its area is more than circular shape till pati.

Q.7. After measuring dimension find the area of each of the following triangles using the formula, Area = x Base x Height

Ans. (i)

(ii)

Q.8. After measuring dimensions, find the area of each of the parallelogram using the formula, Area = Base × Height

Ans. (i)

(ii)

(iii)

Q.9. Find the area of the shaded region in the following figures :

(i)

(ii)

Ans. (i) 42cm2

(ii) 425 59. unit

Q.10. The Taj Mahal was created in the 17th century by Emperor Shah Jahan to honour the memory of his beloved wife Mumtaz Mahal. The design of the Taj Mahal is based on the number four and its multiples.
The garden at the Taj Mahal was laid out in four squares of the same size Each square was divided into four flower beds, with 400 flowers in each bed. How many flowers were in the garden?

Ans. 6400 Flowers

The document Worksheet Question: Perimeter & Area | Mathematics (Maths) Class 7 is a part of the Class 7 Course Mathematics (Maths) Class 7.
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## Mathematics (Maths) Class 7

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## FAQs on Worksheet Question: Perimeter & Area - Mathematics (Maths) Class 7

 1. What is the difference between perimeter and area?
Perimeter is the total length of the boundary of a shape, while area is the measure of the space inside the shape. Basically, perimeter is the distance around the shape, and area is the amount of surface the shape covers.
 2. How do you calculate perimeter and area of a rectangle?
To calculate the perimeter of a rectangle, add up the lengths of all four sides. To calculate the area, multiply the length by the width. The formulas are: perimeter = 2(length + width) and area = length x width.
 3. What is the formula for calculating the perimeter of a circle?
The formula for calculating the perimeter of a circle is 2πr, where r is the radius of the circle. Alternatively, you can use the diameter of the circle and the formula πd, where d is the diameter of the circle.
 4. How do you find the area of a triangle?
To find the area of a triangle, you need to know the length of the base and the height of the triangle. The formula is area = 1/2(base x height). If you don't know the height, you can use the Pythagorean theorem to calculate it.
 5. What is the formula for calculating the perimeter of an irregular shape?
To calculate the perimeter of an irregular shape, you need to add up the lengths of all the sides. This can be difficult if the shape is complex, but you can use a ruler or a measuring tape to measure each side and then add them together. There is no specific formula for irregular shapes.

## Mathematics (Maths) Class 7

121 videos|348 docs|45 tests

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