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18-08-2020
Mathematics

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

Whats the value of x in the figure A 78 B 57 C 76 D 33 class=

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herathdushsantha herathdushsantha

18-08-2020

A)78°

135°+a° =180°

a°=45°

57°+x°+a°=180°

57°+x°+45°=180°

102°+x°=180°

x°=180°-102°

x°=78°

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