Respuesta :

Answer:

15. ΔUQR is an isosceles triangle

16. ΔRST is an equilateral triangle

17. ΔSRQ is a right triangle

18. ΔPRT is an isosceles triangle

19. ΔTQU is an equilateral triangle

20. ΔPQT is a right triangle

I’m pretty sure you’re right on everything except 20
20 is a scalene triangle
There is not a box that shows it’s a right angle