Answer:
AB = 4.73
Step-by-step explanation:
Given BC = 2 and A = 25
°
To find AB we have to use sin function in trig equation:
sin A = BC/AB
sin 25° = 2/AB
Multiply both sides by AB
AB x sin 25° = 2
AB x 0.42 = 2
Dividing the equation by 0.42
AB = 4.73
