History, asked by iram15, 1 year ago

if two adjacent angles of a parallelogram PQRS are (10y-9)degree and (8y+45)degree ,Find all the four angles of parallelogram

Answers

Answered by Rishabhjindal

2

10y+8y+45-9=180,18y=180-36=144,y144/18=8y=8,angles are 71,71,109,109

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