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In the above figure (not to scale) , AB|...


In the above figure (not to scale) , `AB||DE` and `EC||GF`. If `/_ EGF=100^(@)` and `/_ ECF=40^(@),` find the following .
(i) `/_ABC` (ii) `/_GFC`
(iii) `/_GDF`

Text Solution

Verified by Experts

The correct Answer is:
(i) `60^(@)`
(ii) `40^(@)`
(iii) `60^(@)`
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PEARSON IIT JEE FOUNDATION-GEOMETRY -very short answer type question
  1. In the above figure (not to scale) , AB||DE and EC||GF. If / EGF=100^(...

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  2. Which of the letters of the English alphabet have only one line of sym...

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  3. The angle whose supplement is three times its complement is "".

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  4. In Delta ABC, if / A lt /B lt 45^(@), then ABC is a// an "" triangle.

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  5. In Delta ABC, if /A=80^(@) and AB=AC, then / B = .

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  6. In Delta ABC, / A= /C= 50^(@). The longest side of Delta ABC is .

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  7. If G is the centroid of Delta ABC, then the area of Delta BGC is "" ti...

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  8. ABCD is a quadrilateral in which /A= 60^(@), / B= 70^(@), / C =110^(@)...

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  9. Which of the following digits have two lines of symmetry ? 0,1,2,3,4...

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  10. In the above figure ( not to scale ) the sides BA,BC and CA of Delta A...

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  11. If all the sides of a polygon ABCDE are equal, then /A = /C. ( Yes // ...

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  12. The chords which are equidistant from the centre of a circle are equal...

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  13. In the figure below, bar(MN) is the diameter of the circle with centre...

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  14. In the above figure, O is the centre of the circle AB,AD and CD are th...

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  15. In the given figure, AB is the diameter and /ADC = 2 /BDC. If / BCD =7...

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  16. The distances of two chords AB and CD from the centre of a circle are ...

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  17. If three equal chords meet at three distinct points on the circle, the...

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  18. In the following figure, if / AOB =60^(@) then / ACB=30^(@). [Tr...

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  19. If the diagonals of a cyclic quadrilateral intersect at the centre of...

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  20. If two equal chords bisect each other, then the point of intersection ...

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