Question

One of the exterior and interior angles of a parallelogram are in the ratio 2:3. Find all the angles of the parallelogram.​

Answer 1

let the exterior and the interior angles are 2x and 3x

now

2x+3x=180°

X=180°/5=36°

the all others angles are

36°,(180°-36°)=144°,36° and 144°