Answer:
x = 49.1 degrees
Explanation:
From the right angle given,
Opposite side = 15
Adjacent side = 13
Angle = x
Using the SOH CAH TOA identity
tan x = opposite/adj
tan x = 15/13
x = arctan(15/13)
x = arctan 1.1538
x = 49.1 degrees (to the nearest tenth)