DSSSB · Mathematics
Find the curved surface area of a hemisphere of radius 2.8 cm. Take π=22/7.
- 42.28 cm²
- 59.28 cm²
- 55.28 cm²
- 49.28 cm²
2.8 cm त्रिज्या वाले अर्धगोले का वक्र पृष्ठीय क्षेत्रफल ज्ञात कीजिए। π=22/7 लें।
- 42.28 cm²
- 59.28 cm²
- 55.28 cm²
- 49.28 cm²
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