1.

Conside the following parallelogram. find the values the unknowns x‚y‚z​

Answer»

ANSWER:

∠B+∠C=180° [SUPPLEMENTARY ANGLE THEOREM}

\therefore100\degree+x=180\degree∴100°+x=180° [GIVEN]

x=180\degree-100\degreex=180°−100°

x=80\degreex=80°



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