Question

Find DE.
4 m
2.5 m
3 m
1.5 m

Answer 1

Answer:

THESE TRIANGLES ARE SIMILAR

SO

AB/DE=BC/EF

9/X=6/100

=6X=900

X=900/6

X=150

Answer 2

Answer:

1.5m

Step-by-step explanation:

solving by proportion :-

given : 6cm= 1m/100cm

therefore, let the length for the 9 cm be 'x'

Now, 6:9::100:x

=>6x=900 [through cross multiplication]

=>x=900/6

=>x=150cm/1.5m

Hence , it's option 'D' = 1.5m

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