Question

`ABCDEF` is a regular hexagon, Fig. 2 (c ) .65. What is the value of
` (vec (AB) + vec (AC) + vec (AD) + vec (AE) + vec (AF) ?`
.
A. AO
B. 2AO
C. 4AO
D. 6AO

Answer 1

Correct Answer - D
(d) AB+AC+AD+AE+AF

`=AB+(AB+BC)+(AB+BC+CD)+(AB+BC+CD+DE)AF`
`=AB+(AB+BC+CD+DE+EF)`
`+AB+BC+CD+DE+EF`