Question

three vertices of a parallelogram taken in order are (1,1), (4,4) and (4,8). find the fourth vertex and the area of the parallelogram.

Attach a photo for better explanation plzz do it.

Answer 1

In parallelogram diagonals bisect each other
Hence, mid point of AC=mid point of BC

Area of parallelogram =base ×height

Base =(4-1)=3 units
Height =(8-4)=4 units
Area 12 sq units