a 15 year old can do strength and cardio training, certainly on of this size and weight. the type and method of training is especially important due to the age. best to focus on body weight exercises, agility work, and utilizing resistance bands to develop basic lifting fundamentals. if there is a sport specific reason for the training, additional targeted exercises should be included.
90-75-98
Someone who is 173cm is around 173cm, or 1730mm, or 5 foot 8 (5'8), or around 17 hands if you were measuring a horse.
173cm
He is 173cm tall.
5foot7inches {173cm}
5'8" or 173cm
5.67
173 cm = 1.73 metres.
Iain Gardiner is 173cm.
Charry is 173 cm.
He's about 5'8" (173cm).
may be 173cm