Y 45° X 100° y = [ ? 1°

Mathematics

1 answer:

deff fn [24]3 years ago

8 0

Step-by-step explanation:

x+100°=180°{being straight angle}

x=180-100

x=80°

again,

45°+x+y=180°{sum of angle of triangle}

45+80+y=180

y=180-125°

y=55°

hope it helps.

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