Answer:
14.004m
Explanation:
Using the SOH CAH TOA trigonometry identity
Tan theta = opposite/adjacent
Given
AB = opposite
BC = adjacent = 20cm
theta = 35 degrees
Substitute
tan 35 = AB/20
AB = 20tan35
AB = 20(0.7002)
AB = 14.004cm
Hence the length of AB is 14.004m