Question

angle A = angle D = 90° and AB = CD. Is ∆ ACB = ∆ DEC ? Give reasons.​

Answer 1

In triangles ADC and CBA, we have

AB=CD ......... (given);

AD=BC ......... (given);

AC=AC ......... (common side).

By S.S.S congruency condition,

△ADC≅△CBA [henceproved

here is ur answer

Answer 2

Step-by-step explanation:

angle A =90° ( angle. A = angle D )

angle D = 90° (given)

AB = CD ( also given )

∆ACB = ∆DEC ( perpendicular to each other's )