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In Fig. 4.178, D E B C (FIGURE) If D...

In Fig. 4.178, `D E B C` (FIGURE) If `D E=4c m` , `B C=6c m` and Area `( A D E)=16\ c m^2` , find the area of ` A B C` . (ii) If `D E=4c m ,` `B C=8c m` and Area `( A D E)=25\ c m^2` , find the area of ` A B C` . (iii) If `D E : B C=3:5` . Calculate the ratio of the areas of ` A D E` and the trapezium `B C E D` .

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RD SHARMA-TRIANGLES-All Questions
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  3. In Fig. 4.178, D E B C (FIGURE) If D E=4c m , B C=6c m and Area ( ...

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  5. In Fig. 4.179, A B C and D B C are on the same base B C . If A...

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  7. In A B C , P divides the side A B such that A P : P B=1:2 . Q is a...

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  11. In A B C , P Q is a line segment intersecting A B at P and A C at ...

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  13. A B C is a triangle and P Q is a straight line meeting A B in P ...

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  14. If D is a point on the side A B of A B C such that A D : D B=3:2 a...

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