Perimeter

Q.

The base of an isosceles triangle is $\frac{4}{3}cm$. The perimeter of the triangle is $\frac{62}{15}cm$ What is the length of either of the remaining equal sides?

Q.

The sum of the lengths of all the sides of a closed figure is called its ___.

Q. The diameter of the wheel of a cart is 1.05 m. How much distance will the cart cover in 1000 rotations of the wheel?

Q.

Define the radius of a circle.

Q.

A rectangular field is to be fenced on three sides leaving a side of $20$ feet uncovered if the area of the field is $680$ square feet. how many feet of fencing is required.

Q.

A rectangular sheet of paper is cm long and cm wide.

Find its perimeter.

Q. The area of square is 81 $c{m}^2$, find the perimeter of the square.

1. 36 cm
2. 9 cm
3. 18 cm
4. 27 cm

Q. The ratio of the circumference of a circle to its diameter is _______ .

1. equal to r
2. equal to 2r
3. equal to $r^2$
4. independent of r

Q. The ratio of the radii of two wheels is 4 : 5. What is the ratio of their circumference?

1. 4 : 5
2. 5 : 4
3. 5 : 2
4. 2 : 5

Q. A line segment is a part of the line that has a fixed length.

1. True
2. False

Q.

Two towers height is 28m and 36m built at a distance of 15m fine the distance between the top of the towers

Q. Rohan wants to fence a rectangular ground with length 50 m and breadth 30m with a wire. If he has a 200 m wire with him, how much of the wire will be left with him after fencing?

1. 40 m
2. 80 m
3. 120 m
4. 100 m

Q. The cost of fencing a rectangular field is ₹ 3 per m. What will be the total cost of fencing a rectangular field of length 150 m and breadth 50 m?

1. ₹ 120
2. ₹ 1200
3. ₹ 400
4. ₹ 1000

Q.

The sides of a triangle are 122 m, 22 m and 120 m respectively. The perimeter of the triangle is _______.

Q.

A farmer who wants to fence his field must find the perimeter of the field.

1. True

2. False

Q. Question 33

The perimeter of the figure ABCDEFGHIJ is


(a) 60 cm
(b) 30 cm
(c) 40 cm
(d) 50 cm

Q.

A man takes $5$ rounds of a square park having each side $40$ $m$. Find the total distance covered by him $?$

Q.

The figure below is made up of 3 squares of sides 5 cm. What is the perimeter of the figure?

1. 50 cm

2. 30 cm

3. 15 cm

4. 40 cm

Q.

The length and breadth of a rectangular field are 20 m and 15 m. Find the total distance traveled by a boy who has completed two rounds along the boundary of the field.

1. 600 m

2. 300 m

3. 140 m

4. 70 m

Q. A boy runs around a rectangular field of length 55m and breadth 45 m. Find how many laps he completes, if he covers a distance of 600m totally.

1. 2
2. 1
3. 3
4. 4

Q.

Question 125 (iii)

The plan and measurement for a house are given in the figure. The house is surrounded by a path 1 m wide.

Find the area of the living room.

Q. Which of the following is/are true for a parallelogram?

1. Opposite sides are equal
2. Opposite sides are parallel
3. Opposite angles are equal
4. Opposite angles are always ${90}^0$

Q.

To find the cost of painting a wall, we need to find the perimeter of the wall.

1. True

2. False

Q. Question 38

Fill in the blanks to make the statement true.

Perimeter of a regular polygon = Length of one side $\times$ ___

Q.

The perimeter of a rectangular park is $189m.$ If its breadth is $31.25m$, find its length.

Q.

One fine morning, Ted woke up and found his dad gardening. His dad was planning to fence the garden with plants.
(i) How many saplings should he buy so that his dad can fence the garden with 6 plants every 2 meters?
(ii) What is the perimeter of the garden?

Q. The length and breadth of a playground are 62 m 60 cm and 25 m by 40 cm respectively. How long will a man take to go three times around the field, if he walks at the rate of 2 metres per second?

1. 6.4 minutes
2. 7.2 minutes
3. 4.4 minutes
4. 2.4 minutes

Q. Two circles have areas in the ratio 49 : 81. What is the ratio of their circumferences?

1. 7:9
2. 9:7
3. 14:9
4. 7:18

Q. the perimeter of an isosceles triangle is 28 cm.The base of this triangle is 8 cm.What is the length of each of its equal sides?

Q.

In the following figure, the relation between side lengths a, b and c is:

1. 

2. 

3. 

4.