Question

ABCD is a parallelogram

Answer 1

Answer:

a) 2a

b) -a + b

c) -b -a

Step-by-step explanation:

a) From C, you just go down with a twice.

b) From A, you go up the a hence -a, then you go down b so -a + b.

c) From B, you go down b to O then you go up a to C.