This is the concept of geometry, we are required to determine if the triangles are similar; The following ways can be used to determine the similarity of triangles; SSS- side-side-postulate ASA- angle side angle side AAS- angle angle side SAS- Side angle side
Gen the following corresponding sides are similar by SSS; OJ≡OM OK≡ON JK≡MN
Therefore we conclude that ΔOMN is similar to ΔOJK by SSS