Which statement proves that PQRS is a parallelogram?
A
The slopes of line segment RS and line segment QP are both 3 and SP is equal to RQ is equal to square root of 45 .B
The slopes of line segment SP and line segment RQ are both negative 2 and SP is equal to RQ is equal to square root of 45 .C
The midpoint of line segment SQ is open paren 4 comma 5 and 1 half close paren and SQ is equal to 5 .D
The midpoint of line segment RP is open paren 4 comma 5 and 1 half close paren and the slope of line segment RP is negative 9 halves .