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(a) 4/3 is the ANSWER
Step-by-step explanation:
AB =14 cm
DC = 5cm
=》BE =AB - DC
=》BE = 14cm - 5cm
=》BE = 9cm
and from triangle ADE we get
according to pythagoras theorem,
=》ED^2 = (AD^2 - AE^2) cm^2
=》ED^2 = (13^2 - 5^2) cm^2
=》ED^2 = 12^2 cm^2
=》ED = 12 cm
therefore,
tan B
= ED/BE = 12/9 = 4/3
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