Math, asked by goglu, 1 year ago

the measure
an angle Parallelogram is 60 degree find all
its angle

Answers

Answered by Harsh2102
1
opposite angles of parallelogram are equal
therefore angle a= angle c=60
a+b+c+d=360
60+60+2b=360
2b=360-120
2b=240
b=240/2
b=120
therefore,angle b=angle d= 120
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