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Mariulka [41]
3 years ago
6

Solve the following triangle angles

Mathematics
1 answer:
alexira [117]3 years ago
4 0

Answer:

X=69 degree

?= 50 degree

Step-by-step explanation:

exterior angle prop so 77+X =146

X=146-77

X=69

in sencond triangle

90+40+?=180

?=180-130

?=50

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