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Luden [163]
2 years ago
8

Help please find the x

Mathematics
1 answer:
kobusy [5.1K]2 years ago
4 0

Step-by-step explanation:

a)

Two of the three interior angles are known. Both are equal to 55°. This can be seen by looking closely at the picture. To find the third angle subtract the other two from 360°

360\textdegree-55\textdegree-55\textdegree=x

b)

Do the same thing only afterward subtract the third angle from 180 to find the supplementary angle

360\textdegree-40\textdegree-28\textdegree=ans\textdegree\\180\textdegree-ans\textdegree=x

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