Question

RESOLVER triangulo rectángulo

Answer 1

Respuesta:

Explicación paso a paso:

∡C = 90°

⇒ ∡B + ∡A + ∡C = 180°

⇒ ∡B + 25° + 90° = 180°

⇒ ∡ B= 65°

BC =  x = 3k = 3(x)

CA = x = 4k = 4(x)

BA = 25 cm = 5k = 5(5) → k = 5

⇒BC = 3(5) = 15 cm ∧ CA = 4(5) = 20 cm