Respuesta :

mhanifa

Answer:

70°

Step-by-step explanation:

RSTU is a kite,

  • m∠R= 130
  • m∠S=80
  • m∠T=?

Sum of 4 internal angles= 360°

m∠U=m∠S=80

m∠T= 360° - (130°+80°+80°)= 70°