Question

In the given fig ABCD is a rectangle. If BM and DN are perpendicular from B and D or. Prove that Triangle BMC = Triangle DNA ​

Answer 1

In ∆ADN & ∆BCM,

• /_DNA = /_CMB = 90°
• /_DAN = /_CBM. [alternate angles]
• DA = BC

Therefore ∆ADN = ∆BCM. [AAS]