1

KL and MN are straight lines that intersect each other. What are ∠a, ∠b and ∠d?

∠a ∠b ∠d
A 20o 160o 160o
B 160o 160o 20o
C 160o 20o 160o
D 160o 20o 20o
  • A

  • B

  • C

  • D