InterviewSolution
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InterviewSolution
| 1. |
anmon langeuhavng sides 8cm locmm aud 12 cmC. |
| Answer» <p>Tangents drawn from an external point to a circle are equal.⇒ AD = AF, BD = BE, CE = CF.Let AD = AF =aBD = BE =bCE = CF =cAB = AD + DB =a+b= 8 -------- (1)BC = BE + EC =b+c= 10 -------- (2)AC = AF + FC =a+b= 12 -------- (3)Adding (1), (2) and (3), we get2 (a+b+c) = 30⇒ (a+b+c) = 15 -------- (4)Subtracting (1) from (4), we getc= 7Subtracting (2) from (4), we geta= 5Subtracting (3) from (4), we getb= 3Therefore, AD =a= 5 cm, BE =b= 3 cm, CF =c= 7 cm</p> <p>thanku</p> | |