Question

The three vertices of a rectangle ABCD are A(-3,2),B(-3,2) C(-3,5) Plot three points on the graph papers and find the co-ordinate of D​

Answer 1

you should use the formula ::

(x1 + x3 - x2 , y1 + y3 - y2)

so D =

(-3-3+3 , 2+5-2)

= (-3,5)