Question

19.
In the given fig. If DE || BC Find EC.
1.5 cm
cm
3cm​

Answer 1

Answer:

AD/DB = AE/EC

1.5/3 = 1/X

X = 2

Answer 2

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AD/DB = AE/EC [ DE11BC ]

1.5 cm/3 cm = 1 cm/ EC

EC = 3cm²/1.5cm

EC = 2cm Ans

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