1.

AD =3.6 cm ,AB = 10 cm and AE = 4.5 cm . Find EC .​

Answer»

EC=8 cmStep-by-step EXPLANATION:Given: AD = 3.6 cm, AB = 10 cm and AE = 4.5 cm.Applying Thale’s Theorem,⇒⇒[∵ DB = AB – AD ⇒ DB = 10 – 3.6 = 6.4]⇒⇒ EC = 8Now, AC = AE + EC⇒ AC = 4.5 + 8 = 12.5Hence, EC = 8 cm and AC = 12.5 cm



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