In the given figure DE || BC. The value of EC is
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Answer:
The answer is option (c) 2 cm
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Given : DE || BC
To Find : Value of EC
Solution:
Thales Theorem / BPT ( Basic Proportionality Theorem)
if a line is drawn parallel to one side of a triangle intersecting the other two sides, then it divides the two sides in the same ratio.
DE || BC
AD/ DB = AE / EC
AD = 1.5 cm
DB = 3 cm
AE = 1 cm
EC = ?
=> 1.5 / 3 = 1/ EC
=> 1/2 = 1/EC
=> EC = 2 cm
Hence correct option is c) 2 cm
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