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In the given figure, DeltaABC and DeltaD...

In the given figure, `DeltaABC and DeltaDBC` are on the same base BC. If AD intersects BC at O, prove that `(ar(DeltaABC))/(ar(DeltaDBC))=(AO)/(DO)`

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In the given figure,Delta ABC and Delta DBC are on the same base BC.If AD intersects BC at O , prove that (ar(Delta ABC))/(ar(Delta DBC))=(AO)/(DO)

In the given figure, Delta ABC and Delta DBC have the same base BC. If AD and BC intersect at O, prove that (ar(DeltaABC))/(ar(Delta DBC))=(AO)/(DO)

In the same figure, Delta ABC and Delta DBC are on the same base BC . If AD is intersects BC at O, prove that (ar(Delta ABC))/(ar (Delta DBC))=(AO)/(DO)

In figure ABC and DBC are two triangles on the same base BC. If AD intersects BC at O, show that (a r(A B C))/(a r(D B C))=(A O)/(D O) .

In Fig. 6.44, ABC and DBC are two triangles on the same base BC. If AD intersects BC at O, show that (ar (ABC))/( ar (DBC))= (AO )/( DO )

triangleABC and triangleDBC are two triangles on the same base BC. A and D lies on opposite sides of BC. Prove that (ar(triangleABC))/(ar(triangleDBC))= (AO)/(DO)

DeltaABC and DeltaDBC are two isosceles triangles on the same base BC and vertices A and D are on the same side of BC. If AD is extended to intersect BC at E, show that (i) DeltaABD ~=DeltaACD (ii) DeltaABE~=DeltaACE (iii) AE bisects angleA as well as angleD (iv) AE is the perpendicualr bisector of BC.

In the adjoining figure, triangle ABC and triangleDBC are on the same base BC with A and D on opposite sides of BC such that ar(triangleABC)=ar(triangleDBC) . Show that BC bisect AD.

A point D is taken on the side BC of a DeltaABC such that BD = 2DC. Prove that ar(DeltaABD) = 2 ar (DeltaADC)

In DeltaABC,AD is the bisector of angleA . Then , (ar(DeltaABD))/(ar(DeltaACD))=

VK GLOBAL PUBLICATION-TRIANGLES-SHORT ANSWER QUESTIONS-II
  1. In Fig. 7.15,DE abs() OQ and Dfabs()OR,Show that Efabs()QR.

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  2. The line joining the mid-points of two sides of a triangle is parallel...

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  3. State which pairs of triangles in Figure are similar. Write the sim...

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  4. In Fig. 4.96, (A O)/(O C)=(B O)/(O D)=1/2 and A B=5c m . Find the ...

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  5. E is a point on the side AD produced of a parallelogram ABCD and BE i...

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  6. In the given figure, S and T are points on sides PR and QR of Delta PQ...

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  7. In figure ABC and AMP are two right triangles, right angles at B an...

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  8. D is a point on the side BC of a triangle ABC such that /A D C=/B A C....

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  9. ABC is an equilateral triangle of side 2a. Find each of its altitud...

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  10. An aeroplane leaves an airport and flies due north at a speed of 1000...

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  11. In the given figure, DeltaABC and DeltaDBC are on the same base BC. If...

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  12. In the given figure, PA, QB and RC each is perpendicular to AC such th...

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  13. In Fig. 7 .27, if DeltaABC~ DeltaDEF and their sides are oflengths (in...

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  14. In Delta ABC it is given that (AB)/(AC)=(BD)/(DC) . If angle B=70^(@) ...

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  15. If the diagonals of a quadrilateral divide each other proportionally, ...

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  16. In the given figure (PS)/(SQ)=(PT)/(TR) and anglePST = anglePRQ. Prove...

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  17. Diagonals of a trapezium ABCD with AB || DC intersect each other at...

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  18. In the given Fig. 7.32, find the value of x in terms of a, b and c.

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  19. In the given Fig. 7.33, Cdabs()LA and DEabs()AC. Find the length of CL...

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  20. In the given Fig. 7 .34, AB = AC. E is a point on CB produced. If AD i...

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