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Preeti Dabral 2 years, 10 months ago (2983787)
Tamil language is a Dravidian language natively spoken by the Tamil people of South Asia. Tamil is an official language of the Indian state of Tamil Nadu, the sovereign nations of Sri Lanka and Singapore, and the Indian Union territory of Puducherry.
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Lucky Malik 2 years, 10 months ago (14096602)
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Ekam Choudhary 2 years, 10 months ago (13713621)
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Posted by Irshad Malik 2 years, 11 months ago (14100512)
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Taufique Alam 2 years, 10 months ago (13305913)
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Taufique Alam 2 years, 10 months ago (13305913)
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Preeti Dabral 2 years, 10 months ago (2983787)
Let the radius of the sphere be r cm.
Surface area = 154 cm2
⇒ {tex}4\pi r^2{/tex} = 154
⇒ {tex}4\times{22\over7}\times r^2=154{/tex}
⇒ {tex}r^2={{154\times7}\over4\times22}={49\over4}{/tex}
⇒ r = {tex}{\sqrt{49\over4}}={7\over2}{/tex}
⇒ r = 3.5 cm
∴ the radius of the sphere is 3.5 cm.
Siddhi Gupta 2 years, 10 months ago (5073526)
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Aprit Tiwari 2 years, 11 months ago (12419274)
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Posted by Satya Singh 2 years, 11 months ago (14076026)
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