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प्रश्न
What is the perimeter of the following figures? What do you infer from the answers?
 (a) |
 (c) |
 (b) |
 (d) |
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उत्तर
- Perimeter of the square = 4 × side
= 4 × 25
= 100 cm - Perimeter of rectangle = 2 (40 + 10)
= 2 × 50
= 100 cm - Perimeter of rectangle = 2 (Length + Breadth)
= 2 (30 + 20)
= 2 (50)
= 2 × 50
= 100 cm - Perimeter of triangle = 30 + 30 + 40
= 100 cm
∴ All the figures have the same perimeter.
संबंधित प्रश्न
The diagonal of a rectangle is 34 cm. If its breadth is 16 cm; find its :
(i) length
(ii) area
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Find the perimeter of an equilateral triangle of side 9.8 cm.
An equilateral triangle and d square has equal perimeter. If side of the triangle is 9.6 cm ; what is the length of the side of the square?
A rectangle with length = 18 cm and breadth = 12 cm has same perimeter as that of a regular pentagon. Find the side of the pentagon.
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(iii) cost of ploughing the field at the rate of ₹1.20 per square meter.
If we take 4 rounds around a field that is 160 m long and 90 m wide, what is the distance we walk in kilometers?
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