ABCD is a parallelogram. The diagonals of ABCD intersect at O.
OÀ=a and
OB = b
=
b
o
a) Express the vector CẢ in terms of a.
a
SI
А
D
b) Express the vector AB in terms of a and b.
c) Express the vector BC in terms of a and b.

yeet

step-by-step explanation:

2, 2, 2 or -4, 20, 29

step-by-step explanation:

there is two ways you can do it.

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)