Advertisements
Advertisements
प्रश्न
Find the perimeter of the following shape:
An equilateral triangle of side 9 cm.
Advertisements
उत्तर
The perimeter of an equilateral triangle = 3 × side
= 3 × 9
= 27 cm
संबंधित प्रश्न
The diagonal of a square is `12sqrt2` cm. Find its perimeter.
What do you understand by a plane closed figure?
Write the perimeter of the figure in the box given below it.

The table given below contains some measures of the rectangle. Find the unknown values.
| Length | Breadth | Perimeter | Area |
| 10 m | ? | ? | 120 sq.m |
Match the shapes (each sides measures 2 cm) in column I with the corresponding perimeters in column II:
| Column I | Column II |
(A) ![]() |
(i) 16 cm |
(B) ![]() |
(ii) 20 cm |
(C) ![]() |
(iii) 24 cm |
(D) ![]() |
(iv) 28 cm |
| (v) 32 cm |
To find the cost of painting a wall we need to find the perimeter of the wall.
Total cost of fencing the park shown in the following figure is Rs 55000. Find the cost of fencing per metre.

Which unit is used to measure perimeter?
A closed figure has 12 sides, each measuring 3 cm, except four sides which measure 1 cm each. What is its perimeter?
A polygon with sides 100 m, 120 m, 90 m, 45 m, 60 m, and 80 m has a perimeter of:




