Hi there,
5n - 9 + 4n + 5
5n - 4n = 5 + 9
Hence, N = 14
Hope this helps :)
Answer:
∠B ≈ 56.25°
Step-by-step explanation:
Since the triangle is right use the cosine ratio to solve for B
cosB =
=
=
, thus
B =
(
) ≈ 56.25°
Answer:
no. 4
Step-by-step explanation: