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What's the value of x in the figure? A) 78° B) 57° C) 76° D) 33°

What's the value of x in the figure? A) 78° B) 57° C) 76° D) 33°-example-1
User Roshambo
by
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1 Answer

7 votes

A)78°

135°+a° =180°

a°=45°

57°+x°+a°=180°

57°+x°+45°=180°

102°+x°=180°

x°=180°-102°

x°=78°

User Mad Man Moon
by
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