Respuesta :

Answer:

7. 32

8. 68

9. 16

10. 29

Step-by-step explanation:

7. =90°-58

=32

8. =68°

9. = (1 + 5x)°

= (1 + 5(16)°

=81

10. = (2x + 3)°

= (2(29) + 3)°

= 61°