Triangle exterior angle

The interior angles of the triangle are 108 degrees 45 minutes and 51 degrees 19 minutes. Calculate the outside angle at the third vertex.

Final Answer:

C =  160.0667 °

Step-by-step explanation:

α=108°45=108°+6045°=108.75°=108.75 β=51°19=51°+6019°=51.3167°51.3167  α+β+γ  = 180° γ=180αβ=180108.7551.3167=1529919.9333   C=180γ=18019.9333=160.0667=160°4



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algebraplanimetryUnits of physical quantitiesGrade of the word problem

 
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