Question

Explain how you would find the perimeter of this triangle.

Answer 1

Answer:

15.4

Step-by-step explanation:

$\frac{u}{4}$ = tan51.3° ⇒ u = 4tan51.3° ≈ 5

$\frac{4}{v}$ = cos51.3° ⇒ v = $\frac{4}{cos51.3}$ ≈ 6.4

P ≈ 4 + 5 + 6.4 = 15.4