[" If "y=/_BAC=50^(@)" ,An "u" its "],[" besector."2fquad 0£ perp" AC iProve "],[" that "/_E times(AB+AC)=113times90]

In Figure,/_BAC=90^(@),AD is its bisector.If DE perp Ac, prove that DEx(AB+AC)=ABxAC

In ABC, given that AB=AC and BD perp AC. Prove that BC^(2)=2ACCD

In ABC, if AD perp BC and AD^(2)=BD xx DC, prove that /_BAC=90o

In DeltaABC if /_BAC=90^(@) and AB=AC , then /_ABC is

In Figure 2,AD perp BC. Prove that AB^(2)+CD^(2)=BD^(2)+AC^(2)

In Fig.4.112,/_BAC=90o and segment AD perp BC. Prove that AD^(2)=BD xx DC (FIGURE)

In the given figure if angleB= 90^(@) and BD is perpendicular to AC then prove that: (i) triangleADB~triangleBDC (ii) triangleADB~triangleABC (iii) triangleBDC ~ triangleABC (iv) BD^(2)= AD xx DC (v) AB^(2)= AD xx AC (vi) BC^(2)= CD xx AC (vii) AB^(2)+BC^(2)= AC^(2)

In the given figure if angleB= 90^(@) and BD is perpendicular to AC then prove that: (i) triangleADB~triangleBDC (ii) triangleADB~triangleABC (iii) triangleBDC ~ triangleABC (iv) BD^(2)= AD xx DC (v) AB^(2)= AD xx AC (vi) BC^(2)= CD xx AC (vii) AB^(2)+BC^(2)= AC^(2)

In figure,/_B<90^(@) and AD perp BC .Prove that AC^(2)=AB^(2)+BC^(2)-2BC.BD

In a triangle ABC,N is a point on AC such that BN perp AC. If BN^(2)=ANNC, prove that /_B=90o .