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प्रश्न
Differentiate between—
Developable and non-developable surfaces
फरक स्पष्ट करा
उत्तर
| Basis | Developable Surface | Non-developable Surface |
| Meaning | A developable surface is one, which can be flattened, and on which, a network of latitude and longitude can be projected. | A non-developable surface is one, which cannot be flattened without shrinking, breaking or creasing. |
| Example | A cylinder, a cone and a plane have the property of developable surface. | A globe or spherical surface has the property of non-developable surface |
On the basis of nature of developable surface, the projections are classified as cylindrical, conical and zenithal projections.
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Classification of Map Projections
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