Advertisements
Advertisements
प्रश्न
A wire is bent in the form of an equilateral triangle of each side 20 cm. If the same wire is bent in the form of a square, find the side of the square.
Advertisements
उत्तर
∵ Each side of the given equilateral triangle = 20 cm
∴ Perimeter of the triangle = 3 x side = 3 x 20 cm = 60 cm,
∴ Perimeter of the square = Perimeter of equilateral triangle
⇒ 4 x side of square = 60 cm
⇒ The side of the square = `60/4`
= 15 cm
APPEARS IN
संबंधित प्रश्न
Is the perimeter of the yellow shape more than the perimeter of the blue shape? Why?
What is the perimeter of the rectangle? ________ cm
Take a thick paper sheet of length 14 cm and width 9 cm. You can also use an old postcard.
- What is its area? What is its perimeter?
Match the following:
| Shapes | Perimeter |
(A)  |
(i) 10 |
(B)  |
(ii) 18 |
(C)  |
(iii) 20 |
(D)  |
(iv) 25 |
A farmer who wants to fence his field, must find the perimeter of the field.
Total cost of fencing the park shown in the following figure is Rs 55000. Find the cost of fencing per metre.
Length of a rectangular field is 6 times its breadth. If the length of the field is 120 cm, find the breadth and perimeter of the field.
Find all the possible dimensions (in natural numbers) of a rectangle with an area of 36 sq cm, and find their perimeters.
Find the perimeter of the following figure:
Find the perimeter of the following shape:
An equilateral triangle of side 9 cm.
