<prompt> Fumana lehlakore le lelelele ka ho fetisisa la kgutlotharo.Triangle ABC e na le mahlakoreng AB 10 cm, BC 12 cm, le AC 11 cm.  <response>: Instruction in English: Determine the longest side of the triangle. . Response in English: The longest side of triangle ABC is BC, measuring 12 cm in length. . Response in Sesotho: Lehlakore le lelelele ka ho fetisisa la kgutlotharo ABC ke BC, le bolelele ba 12 cm. 