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Sahay Sir > Question Answers > NCERT Class 9 > Maths > Chapter 7 - Triangles > 6. ΔABC is an isosceles triangle in which AB = AC. Side BA is produced to D such that AD = AB (see Fig. 7.34). Show that angle BCD is a right angle.

6. ΔABC is an isosceles triangle in which AB = AC. Side BA is produced to D such that AD = AB (see Fig. 7.34). Show that angle BCD is a right angle.

6. ΔABC is an isosceles triangle in which AB = AC. Side BA is produced to D such that AD = AB (see Fig. 7.34). Show that angle BCD is a right angle.