Answer:
x = 21.4
Step-by-step explanation:
Reference angle (θ) = 25°
Opposite = 10
Adjacent = x
Apply trigonometric function, TOA:
Tan θ = Opp/Adj
Tan 25 = 10/x
x*Tan 25 = 10
x = 10/Tan 25
x = 21.4450692 ≈ 21.4 (nearest tenth)
