Question

if one a angle ale parallagram is 30° less than twice the smallest angle, then find the Measure of each of each angle.
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Answer 1

Answer:

let the smallest angle of parallelogram be x

then big angle 2x-30

x+(2x-30) =180.... angles of parallelogram

x+2x-30=180

3x=180+30

x=210/3

x=70

2x-30=2×70-30

=140-30

=110

Angles of parallelogram are 70° and 110°