Question

∆ABC is right angled at A and AD ┴ BC, divides BC such that AD2

=

BD.CD.If AD= 4 cm and BD =2 cm, Find BC.​

Answer 1

Answer:

In triangle ABC , AD is perpendicular to BC and AD² = BD.DC To prove : BAC = 90° Proof : in right triangles ∆ADB and ∆ADC So