Question

Se consideră trapezul isoscel ABCD cu AB || CD.Daca cos A √2 supra 2 ,determinati m(∡C).

Answer 1

ABCD trapez isoscel baze AB siCD⇒mas∡C=mas ∡A

cos∡A=√2/2⇒mas∡A=45°⇒mas∡C=45°

as simple as that!!!!