AABC is an isosceles triangle in which AB=AC.
Side BA is produced to D such that AD = AB
(see Fig. 7.34). Show that ZBCD is a right angle.
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AABC is an isosceles triangle in which AB=AC.
Side BA is produced to D such that AD = AB
(see Fig. 7.34). Show that ZBCD is a right angle.
Step-by-step explanation:
AB = AC
AD = AB
AC = AB = AD
∠BCD =90°
In ∠ABC
AB = AC
∠ACB = ∠ABC
The angles opposite to equal sides are equal
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