10, In the given figure, AD = BC, ZB = 90°, AB = 8 cm, BD = 4 cm. Find Ac ,
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Step-by-step explanation:
by Pythagoras theorem
AD = √AB² + BD²
AD =4√5 cm
AD = BC = 4√5 cm
In triangle ABC
AC = √AB² + BC²
AC = √144
AC = 12 cm
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