Can this actually be calculated? Unknown angle in a circle inside a right angled triangle

Can this actually be calculated? Unknown angle in a circle inside a right angled triangle MY OTHER CHANNELS •••••••••••••••••••••••••••••••• Calculus Booster : https://www.youtube.com/@CalculusBoos... Math Hunter : https://www.youtube.com/@mathshunter/... -------------------------------------------------------------------------------- Become a member of this channel to get access of ULTIMATE MATH COURSE (New video will be uploaded every week) Join the channel to become a member    / @mathbooster