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In Delta^s ABC and DEF, DE and AB || DE,...

In `Delta^s` ABC and DEF, DE and `AB || DE`, `BC=EF` and `BC || EF`. Vertices A, B and C are joined to vertices D, E and F respectively (see figure). Show that : BCFE is a parallelogram.

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NCERT TELUGU-QUADRILATERALS-EXERCISE
  1. ABCD is a parallelogram AP and CQ are perpendiculars drawn from vertic...

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  2. In Delta^s ABC and DEF, DE and AB || DE, BC=EF and BC || EF. Vertices ...

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  3. In Delta^s ABC and DEF, DE and AB || DE, BC=EF and BC || EF. Vertices ...

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  4. In Delta^s ABC and DEF, DE and AB || DE, BC=EF and BC || EF. Vertices ...

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  5. In Delta^s ABC and DEF, DE and AB || DE, BC=EF and BC || EF. Vertices ...

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  6. ABCD is a parallelogram. AC and BD are the diagonals intersect at O. P...

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  7. ABCD is a square. E, F, G and H are the mid points of AB, BC, CD and D...

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  8. Draw a triangle ABC and mark the midpoints E and F of two sides of tri...

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  9. ABC is a triangle . D is a point of AB such that AD=(1)/(4)AB and E is...

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  10. ABCD is quadrilateral E, F, G and H are the midpoints of AB, BC, CD an...

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  11. Show that the figure formed by joining the midpoints of sides of a rho...

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  12. In a parallelogram ABCD, E and F are the midpoints of the sides AB and...

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  13. Show that the line segments joining the midpoints of the opposite side...

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  14. ABC is a triangle right angled at 'C'. A line through the midpoint M o...

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  15. ABC is a triangle right angled at C. A line through the midpoint M of ...

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  16. ABC is a triangle right angled at 'C'. A line through the midpoint M o...

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  17. ABCD is a parallelogram and P is a point of bar(CD). Show that ar(/\AB...

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  18. PQRS is a parallelogram. K. L are the midpoints on PQ, RS respectively...

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  19. ABCD is a parallelogram and P, Q are the mid points of bar(AD) and bar...

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  20. ABCD is a parallelogram and P, Q are the mid points of bar(AD) and bar...

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