0 of two or more geometrical figures, touching at all points when one is fitted on top of the other -- kongruen, sebangun
congruent triangles.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Kita dapat menyelesaikannya selangkah demi selangkah berapa panjang jalannya dan tidak dapat diselesaikan betapapun pendeknya jalannya jika Anda bahkan tidak menandai jejak kaki Anda.
