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In the given diagram, equilateral triang...

In the given diagram, equilateral triangle EDC surmounts square ABCD. Find the `angleBED` represented by x. Where `angleEBC=alpha^(@)`:

A

`45^(@)`

B

`60^(@)`

C

`30^(@)`

D

none of these

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The correct Answer is:
A
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ARIHANT SSC-GEOMETRY-INTRODUCTORY EXERCISE - 12.2
  1. In the figure DeltaABE is an equilateral triangle in a square ABCD. Fi...

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  2. In the given diagram MN||PR and angleLBN=70^(@),AB=BC, Find angleABC:

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  3. In the given diagram, equilateral triangle EDC surmounts square ABCD. ...

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  4. In the given diagram XY||PQ. Find anglex^(@) and angley^(@) :

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  5. In the adjoining figure angleCAB=62^(@), angleCBA=76^(@)angleADE=58^(...

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  6. In the given figure CE|AB, angleACE=20^(@) and angleABD=50^(@). Find ...

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  7. In the DeltaABC, BD bisects angleB, and is prpendicular to AC. If the ...

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  8. In the following figure ADBC, BD=CD=AC, angleABC=27^(@), angleACD=y. ...

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  9. DeltaABC is an isosceles triangle with AB=AC, side BA is produced to D...

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  10. In DeltaABC, AC=5cm. Calculate the length of AE where DE||BC. Given th...

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  11. In DeltaPQR, AP=2sqrt2cm, AQ=3sqrt2cm and PR = 10 cm, AB||QR. Find the...

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  12. AB, EF and CD are parallel lines. Given that EG = 5 cm, GC = 10 cm, AB...

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  13. In the adjoining figure PQ, QB and RC are each perpendicular to AC. Wh...

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  14. In the ajoining figure the angle BAC and angleADB are right angles . ...

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  15. The areas of the similar triangles are the ratio of 25:36. What is the...

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  16. In the given diagram AB||CD, then which one of the following is true ?

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  17. The bisector of the exterior angleA of DeltaABC intersects the side BC...

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  18. The diagonal BD of a quadrilateral ABCD bisects angleB and angleD, the...

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  19. Two right triangles ABC and DBC are drawn on the same hypotenues BC on...

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  20. A man goes 150 m due east and then 200 m due north. How far is he from...

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