Question

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

Answer 1

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°

Answer 2

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