Question

Solve that A(1, 0) B (0, 1) C(1, 2) D(2, 1) are vertical s of parallelogram ABCD is ABCD rectangle

Answer 1

Here AB =

(3+1)

2

+(1−0)

2

=

17

BC=

(2−3)

2

+(2−1)

2

=

2

CD=

(−2−2)

2

+(1−2)

2

=

17

AD=

(−2+1)

2

+(1−0)

2

=

2

Here,AB=CD and BC=AD

Therefore its a parallelogram