Question

if a = under root 3+ 1

such that B = 30° and A = 105°, then find b.
the​

Answer 1

Answer:

Correct option is A)

Using sine rule,

sinA

a

=

sinC

c

We have, A=180−75=105

∘

∴c=

sin105

∘

3

+1

sin45

∘

=

3

+1

3

+1

2

2

2

1

=2