in a parallelogram abcd if <b=65 what is the measure of<c
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Subtract the known no. By 180 =, 180-65=115 so the value of angle c is 115 to check the answer add all angles 65+65+115+115=360
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angle b= 65
then angle c=65 (adjacent angles)
sum of all the angles of a parallelogram = 360
a+b+c+d=360*
a+65+c+65=360*
a+c=360-65+65
a+c=360-130
a+a=230 (a=c adjacent angles)
2a=230
a=230/2
a=115
a=c=115
hence angle c=115*
then angle c=65 (adjacent angles)
sum of all the angles of a parallelogram = 360
a+b+c+d=360*
a+65+c+65=360*
a+c=360-65+65
a+c=360-130
a+a=230 (a=c adjacent angles)
2a=230
a=230/2
a=115
a=c=115
hence angle c=115*
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