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. Two circles of equal radius 6 cm such that the distance between their centres is 15 cm, find the length of transverse common tangent. |
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Answer» Correct Answer:B) 12cmDescription for Correct answer:As we know⇒ The length of the TRANSVERSE COMMON tangent to the circle=(DISTANCE between centres)2−(R1+R2)2−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−√=(15)2−(6+3)2−−−−−−−−−−−−−√=225−81−−−−−−−√⇒12cm |
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