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If DeltaABC~DeltaEDF and DeltaABC is npo...

If `DeltaABC~DeltaEDF` and `DeltaABC` is npot similar to `DeltaDEF`, then which of the following is not true?

A

`BCcdotEF=ACcdotFD`

B

`ABcdotEF=ACcdotDE`

C

`BCcdotDE=ABcdotEF`

D

`BCcdotDE=ABcdotFD`

Text Solution

AI Generated Solution

To solve the problem, we need to analyze the given information about the similarity of triangles and determine which statement is not true based on the properties of similar triangles. ### Step-by-Step Solution: 1. **Understanding Triangle Similarity**: - We are given that triangle ABC is similar to triangle EDF (ΔABC ~ ΔEDF). - This means that the corresponding angles are equal: ∠A = ∠E, ∠B = ∠D, and ∠C = ∠F. - The sides of the triangles are in proportion: ...
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NCERT EXEMPLAR ENGLISH-TRIANGLES-Long Answer Type Questions
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  2. In given figure, if angleA=angleC, AB= 6 cm, BP = 15 cm, AP = 12 cm an...

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  3. It is given that DeltaABC~DeltaEDF such that AB=5 cm, AC=7 cm, DF= 15...

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  9. A street light bulb is fixed on a pole 6 m above the level of the stre...

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  12. Ii DeltaPQR, PDbotQR such that D lies on QR, if PQ=a,PR=b,QD=c and DR=...

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  13. In a quadrilateral ABCD, angleA+angleD=90^(@). Prove that AC^(2)+BD^...

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  14. In given figure,labs()m and liner segments AB, CD and EF are concurren...

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  15. 14 In Fig. 6.21, PA, QB Rc and SD are all perpendiculars to a line l, ...

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  16. O is the point of intersection of the diagonals AC and BD of a trapezi...

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  17. In figure, line segment DF intersects the side AC of a DeltaABC at the...

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  18. Prove that the area of the semicircle drawn on the hypotenuse of a rig...

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