Question

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Answer 1

Answer:

since de||bc           given that ad/db=3/5

ab/db=ae/ec                   ac=5.6cm ; therefore ac-ae=ec

reversing

db/ad=ec/ae

adding 1 then cross multiplying

ab+ad/ad=ec+ae/ae

ab/ad=ac/ae

8/3=5.6/ae

ae=5.6X3/8

ae=2.1 cm             therefore 5.6 - 2.1 = 3.5cm

ec=3.5cm

Step-by-step explanation:

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