Question

if A(-2,1),B(a,0),C(4,b) and D(1,2) are you he vertices of parallelogram ABCD,find the values of a and b. Hence find the length of its sides.​

Answer 1

draw ABCD parellelogram

then

midpoints of both the diagonal are equal

then

co-ordinate. co-ordinate

of midpoint. = of midpoint

of 1st diagonal. of 2nd diagonal

Answer 2

Answer:

Step-by-step explanation: