Question: is 20 x 25 cm a4?
Answer: US Executive (7.3 x 10.5 in. / 19 x 27 cm) 8 x 10 in. / 20 x 25 cm. ... US Legal (8.5 x 14 in. / 22 x 36 cm) A4 (8.3 x 11.7 in. / 21 x 30 cm)