3 years ago

Someone help plsss :)))

Mathematics

2 answers:

Alla [95]3 years ago

7 0

Step-by-step explanation:

solution .

here ,

<1+57°= 180° [ being exterior angle ]

<X = 180° - 57°

<X=123°

hope it is helpful to you ☺️

Contact [7]3 years ago

3 0

Answer:

Solution given:

<1+57°=180°[ exterior angle is equal to the sum of two opposite interior angle of a triangle]

<1=180-57=123°

is your answer

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