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प्रश्न
Find the perimeter of the following shape:
An equilateral triangle of side 9 cm.
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उत्तर
The perimeter of an equilateral triangle = 3 × side
= 3 × 9
= 27 cm
संबंधित प्रश्न
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Sanya, Aarushi, Manav and Kabir made greeting cards. Complete the table for their cards:
| Whose card | Length | Width | Perimeter | Area |
| Sanya | 10 cm | 8 cm | ||
| Manav | 11 cm | 44 cm | ||
| Aarushi | 8 cm | 80 square cm | ||
| Kabir | 40 cm | 100 square cm |
Match the following:
| Shapes | Perimeter |
(A)  |
(i) 10 |
(B)  |
(ii) 18 |
(C)  |
(iii) 20 |
(D)  |
(iv) 25 |
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AB + _ + _ + _ + _ + _ + _ + HA
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