If ΔABC ~ ΔDEF and ΔABC is not similar to ΔDEF then which of the following is not true?

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If ΔABC ~ ΔDEF and ΔABC is not similar to ΔDEF then which of the following is not true?

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(a) BC.EF = AC.FD
(b) AB.ED = AC.DE
(c) BC.DE = AB.EE
(d) BC.DE = AB.FD

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Class 10 Maths Rohit QNA 3 years 2021-12-29T13:07:59+00:00 2021-12-29T13:07:59+00:00 1 Answer 5 views Enlightened 0

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Rohit QNA Enlightened · Answer 1 · 2021-12-29T13:08:13+00:00

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2021-12-29T13:08:13+00:00 December 29, 2021 at 1:08 pm

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Ans: C
Explanation: Correct option is
C
BC.DE=AB.EF
If △ABC∼△EDF, then
EDAB=DFBC=EFAC
∴ EDAB=DFBC⇒AB×DF=BC×ED
DFBC=EFAC⇒BC×EF=AC×DF
EDAB=EFAC⇒AB×EF=AC×ED
∴ BC×DE =AB×EF

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If ΔABC ~ ΔDEF and ΔABC is not similar to ΔDEF then which of the following is not true?

If ΔABC ~ ΔDEF and ΔABC is not similar to ΔDEF then which of the following is not true?

About Rohit QNAEnlightened

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