Math, asked by acchandramohanpandey, 4 days ago

please help me question no. 9

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Answered by cartonofmilk

0

Answer:

3.5 cm

Step-by-step explanation:

area of ABC/ area of DEF = (BC)^2/ (EF)^2

16 / 25 = 2.8 x 2.8 / (EF)^2

On simplification:

4 /5 x 2.8 = 1/ EF

EF = 14/4

EF = 3.5 cm

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