Respuesta :

362863

Answer:

77.7

Step-by-step explanation:

First all the angles add up to 360°. You would subtract 180 from the 360 because of the 2 right angles. That leaves you with 180. Then 180-102.3 to get 77.7°, your answer.

abigailfri
the answer would be 77.7°
this can be proven because the two angles add up to 180°, therefore you just need to subtract the given angle from the sum

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