See attachment. what is the length of x in the diagram below? answer in rational form

Hi there!
Th' following triangle is divided into 2 sub-triangles!

• In 1ˢᵗ triangle :-

tan 45° =

⇒ 1 =

⇒ = 5

• In 2ⁿᵈ triangle :-

cos 30° =

⇒ =

⇒ = 2 × 5

⇒ = 10

Hence,
Th required answer is 10 units.

~ Hope it helps!

Im pretty sure it is a