Question

If one angle of a parellelogram is 30 degree more than adjacent angle find all angle

Answer 1

let the including angle be 30+x
and other angle be x
adjacent angles of parellelogram are supplimentary
x+(30+x)=180
=x+x+30=180
=2x=150
=x=75

first angle=75°

second angle=(30+x)
=30+75
=105°

third angle=75° (opposite angles of
parellelogram are
congurent)
fourth angle=105°

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