Respuesta :

Couple rules you have to know.

For angles d and e - angles opposite each other, equal each other

For angle f - you need to know d and e from previous rule. The angle of a flat line is 180 so d + e + f = 180 so f = 180- e - d
lvvies

Answer:

d= 45°

e = 85°

f = 53°

Step-by-step explanation:

Given the image provided.

Solution:

we can see that d = 45, e = 82

     and 180 - (82+45) = f

                     f = 53

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