Question

if one angle of a parallelogram is 65 find the meausure of thier angle

Answer 1

angle A =angle C (opposite angles of parallelogram are equal)

angle C =65 degree

let angle B=x

angle B=angle D (opposite angles of parallelogram are equal )

angle D=x

angle A+angleB+angleC+angleD=360 degree (ASP)

65+x+65+x=360

130+2x=360

2x=360-130

x=230/2

x=115

angle A=65degree

angleB=115 degree

angle C=65degree

angleD=115degree
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