Respuesta :

irspow

Answer:

Step-by-step explanation:

The square indicates that the total angle is 90 degrees so

d+59=90

d=90-59

d=31 degrees
31 degrees
Explanation: The right angle indicator shows that the angle is 90 degrees in total. If you subtract 90-59 you end up with 31 degrees.
Hope this helped.

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