Question

Solve it.. Plzz.. Anyone help..do it fast...


In an isosceles triangle abc WITH AB=AC ,bd is perpendicular to the side AC.prove that

BDsq - CDsq= 2CD.AD

Answer 1

Answer:

Constructing triangle ABC in which AB = 5.8 cm , BC + CA = 8.4 cm and ∠B = 45°. ... Step 5 : Draw a perpendicular bisector of segment DA it intersect the line ... Construct a triangle ABC in which BC = 3.4 cm , AB - AC = 1.5 cm and ∠B = 45 0 .