Advertisements
Advertisements
प्रश्न
The side length of the top of square table is x. The expression for perimeter is ______.
पर्याय
4 + x
2x
4x
8x
Advertisements
उत्तर
The side length of the top of square table is x. The expression for perimeter is 4x.
Explanation:
We know that, perimeter of the square = 4 × side
From the question it is given that, side length of the top of square table is x
Then, perimeter = 4 × x = 4x.
APPEARS IN
संबंधित प्रश्न
Write down the following in the product form: x2y4
Write down the following in the product form: 9xy2z
One out of two numbers is thrice the other. If their sum is 124, find the numbers.
Find two numbers such that one of them is five times the other and their difference is 132.
The sum of two consecutive even numbers is 74. Find the numbers.
The sum of three consecutive odd numbers is 21. Find the numbers.
Reena is 6 years older than her brother Ajay. If the sum of their ages is 28 years, what are their present ages?
Mrs. Goel is 27 years older than her daughter Rekha. After 8 years she will be twice as old as Rekha. Find their present ages.
The perimeter of the triangle shown in the following figure is ______.
The side of an equilateral triangle is shown by l. Express the perimeter of the equilateral triangle using l.
The side of a regular hexagon is denoted by l. Express the perimeter of the hexagon using l.
(Hint: A regular hexagon has all its six sides equal in length.)
A cube is a three-dimensional figure as shown in the given figure. It has six faces and all of them are identical squares. The length of an edge of the cube is given by l. Find the formula for the total length of the edges of a cube.
To find sum of three numbers 14, 27 and 13, we can have two ways:
- We may first add 14 and 27 to get 41 and then add 13 to it to get the total sum 54 or
- We may add 27 and 13 to get 40 and then add 14 to get the sum 54. Thus, (14 + 27) + 13 = 14 + (27 + 13)
This can be done for any three numbers. This property is known as the associativity of addition of numbers. Express this property which we have already studied in the chapter on whole numbers, in a general way, by using variables a, b and c.
In a rectangular plot, 5 square flower beds of side (x + 2) metres each have been laid (see the figure). Find the total cost of fencing the flower beds at the cost of ₹ 50 per 100 metres:
The sum of the multiplication table of natural number ‘n’ is given by 55 × n. Find the sum of table of 7.
The sum of the multiplication table of natural number ‘n’ is given by 55 × n. Find the sum of table of 10.
If 
= 2x + 3, 
= `3/2x + 7` and 
= x – 3 then find the value of:
2
+ 
– 
Write an expression for the sum of 1 and twice a number n. If you let n be any odd number, will the result always be an odd number?
