Question

The three vertices of a parallelogram are (3,4) , (3,8) , (9,8) . Find the fourth vertex.

Answer 1

let the point 3 be acute angle. 2 lines started from point 3 namely3,4 and 3,8. so other point will be 8. from 8, 2 lines are starting namely 8,3 and and 8,9.so no line is starting from 4

therefore, the last point is 4,9 because those are remaining