Respuesta :

Answer:

θ = 55° (Approx)

B = 16.5 (Approx)

Step-by-step explanation:

Given:

In Δ first;

H = 7

B  = 4

Cos θ = B/H

Cos θ = 4 / 7

Cos θ = 0.57

θ = 55° (Approx)

Given:

In Δ second;

B = x

P = 8

θ = 26°

Tan θ = P / B

Tan 26° = 8 / x

0.4877 = 8 / x

x = 16.5 (Approx)

B = 16.5 (Approx)