Ther perimeters of DeltaABC and DeltaDEF...

Ther perimeters of `DeltaABC` and `DeltaDEF` are `30cm` and `18cm` respectively. `DeltaABC~DeltaDEF`, `BC` and `EF` are corresponding sides. If `BC=9cm`, the `EF=?`.

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CALCUTTA BOOK HOUSE-SIMILARITY-Exercise 5.2

Ther perimeters of DeltaABC and DeltaDEF are 30cm and 18cm respectivel...
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In DeltaPQR and DeltaDEF, (PQ)/(DE)=(QR)/(EF)=(RP)/(FD). Then which on...
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In DeltaABC and DeltaDEF if /B=/E and /C=/F, then which of the followi...
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In DeltaPQR and DeltaDEF,/Q=/E=42^(@), (PQ)/(DE)=(QR)/(EF) and if /F=6...
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In the right-angled triangles DeltaPQR and DeltaDEF, /Q=/E= right angl...
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DeltaABC and DeltaBDE are two equilateral triangles. If D is the mid-p...
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If the ratio of the sides of two similar triangles be 4:9, then ratio ...
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DeltaPQR~DeltaDEF and their areas are 49 sq-cm and 121 sq-cm respectiv...
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Write the following sentences true or false: Any two identical image a...
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C and B are two points on the straight line XY, P is an external point...
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In DeltaPQR, a straight line parallel to QR intersects PQ and PR at th...
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Fill the blank :All (equilateral/isosceles) triangle are always ident...
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state true or false; Two equiangular triangles are always congruent.
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state true or false; If the two sides of two triangles are in proport...
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If the areas of two similar triangles be equal, they are .
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The ratio of the areas of two similar triangels is equal to the of the...
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Prove that the perimeters of two similar triangles are proportional to...
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AD is a perpendiuclar drawn from the vertex A of the right-angled tria...
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Fill the blank :All circles are(uniform/identical)
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Fill the blank :All square are(uniform/identical)
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Write the following sentences true or false: Any two identical figure ...
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