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Find the values of the variables assuming the figures are parallelograms

Find the values of the variables assuming the figures are parallelograms-example-1

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Adjacent angles of a parallelogram are supplementary.


3x+10+8x+5=180 \\ \\ 11x+15=180 \\ \\ 11x=165 \\ \\ \boxed{x=15} \\ \\ \\ \\ 5y+3(15)+10=180 \\ \\ 5y+55=180 \\ \\ 5y=125 \\ \\ \boxed{y=21}

User Yogi Ghorecha
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