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In FIg. 6.40, E is a point on side CB pr...

In FIg. 6.40, E is a point on side CB produced of an isosceles triangle ABC with AB=AC. If `AD_|_BC` and `EF_|_AC`, prove that `triangleABD~triangleECF`.

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R G PUBLICATION-TRIANGLES-EXERCISE
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  2. CD and GH are respectively the bisectors of angleACB and angleEGFsuch ...

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  3. In FIg. 6.40, E is a point on side CB produced of an isosceles triangl...

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  4. Sides AB and BC and median AD of a triangle ABC are respeetively propo...

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  5. D is a point on the side BC of a triangle ABC such thatangleADC=angleB...

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  6. Sides AB and AC and median AD of a triangle ABC are respectively propo...

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  8. If AD and PM are medians of triangles ABC and PQR,respectively where t...

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  9. Let triangleABC~triangleDEF and their areas be,respectively,64cm^2 and...

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  10. Diagonals of a trapezium ABCD withAB||DC intersect each other at the p...

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  11. If Fig.6.44 ABC and DBC are two triangles on the same base BC.If AD in...

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  13. D,E and F are respectively the mid-points of sides AB,BC and CA of tri...

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  14. Prove that the ratio of the areas of two similar triangle is equal to ...

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  17. Sides of two similar triangle are in the ratio 4:9.Areas of these tria...

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  18. Sides of triangle are given below.Determine which of them are right tr...

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