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Altitude AD of equilateral DeltaABC is a...

Altitude AD of equilateral `DeltaABC` is a diameter of circle O. If the circle intersets `AbarB` and AC at E and F, respectively, find the ratio of EF : BC?

A

`1:2`

B

`2:3`

C

`3:4`

D

`4:5`

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MOTHERS-GEOMETRY -MULTIPLE CHOICE QUESTIONS
  1. In DeltaABC, the bisector of angleA interseats BC at D. A perpendicula...

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  2. In given figure ABCD square is inscribed in a circle. Point E is on th...

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  3. Altitude AD of equilateral DeltaABC is a diameter of circle O. If the ...

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  4. angleABC=30^(@),angleBCO=20^(@),angleOCD=20^(@),angleODC=?^(@)

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  5. Two circles intersect in A and B, and the measure of the common chord ...

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  6. Two circles are tangent internally at P and a chord, AB of the larger ...

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  7. In equilateral DeltaABC. D is chosen on AC so that AD=(1)/(3)AC, and E...

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  8. ABCD is a trapezium. An inner circle touches its all sides. Radius of ...

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  9. DeltaABC is an equilateral triangle and OB, OD and OC are angle bisect...

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  10. In DeltaABC, D is the midpoint of side BC, E is mid point of AD, F is ...

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  11. Diagonals AC and BD of quadrilateral ABCD meet at E. If AE = 2 cm, BE ...

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  12. Two circles intersect each other at the points A and B, A straight lin...

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  13. An isosceles triangle has a base of measure 4 cm and sides measuring 3...

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  14. A circles O is tangent to the hypotenuse BC of isosceles right DeltaAB...

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  15. Two circles with centres O(1) and O(2) touch each other externally at ...

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  16. In given figure, a rectangle ABCD is inside a circle. Side AB is great...

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  17. ABCD is a square of area = 144(4+2sqrt(3)) centres O(1)&O(2) of circle...

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  18. If the measure of an acute triangle sides is 24, 10 and N. What is pos...

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  19. If DeltaABC is an isosles triangle. Where AB = AC = 1 and D is a point...

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  20. In the given figure ABC is a triangle. D is mid point of AB. Q is a po...

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