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The perimeter of `triangle ABC` and `triangle DEF` are 43.2 cm and 28.8 cm, respectively, and `triangle ABC ~ triangle DEF` . If DE =12cm, then the length of AB is:
`triangle ABC` और `triangle DEF` की परिधि क्रमशः 43.2 सेमी और 28.8 सेमी है, और `triangle ABC ~ triangle DEF`| यदि DE =12 सेमी है, तो AB की लंबाई है

A

20 cm

B

18.4 cm

C

18 cm

D

20.4 cm

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CHAMPION PUBLICATION-2019 TIER-II PAPER (1)-EXERCISE
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