Calculate a missing length
Short answerIn a Thales’s triangle, M lies on [AB], N lies on [AC], and (MN) is parallel to (BC). Given that AB = 10 cm, AM = 4 cm and AC = 15 cm, work out AN in cm.
In a Thales’s triangle, M lies on [AB], N lies on [AC], and (MN) is parallel to (BC). Given that AB = 10 cm, AM = 4 cm and AC = 15 cm, work out AN in cm.