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In the triangle ABC, MN is parallel to A...

In the triangle ABC, MN is parallel to AB. Area of trapezium ABNM is twice the area of triangle CMN. What is ratio of CM : AM?

A

`(1)/(sqrt3+1)`

B

`(sqrt3-1)/(2)`

C

`(sqrt3+1)/(2)`

D

none of these

Text Solution

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The correct Answer is:
C
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ARIHANT SSC-GEOMETRY-EXERCISE(LEVEL 1)
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  2. In a right angled triangle ABC, CD is the perpendicular on the hypoten...

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  3. In the triangle ABC, MN is parallel to AB. Area of trapezium ABNM is t...

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  4. In the given figure AD = AE, angleBDE = 100^(@), then what is the valu...

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  5. In the given quadrilateral ABCD, AB = 15 cm, BC = 20 cm and AD = 7 cm ...

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  6. There are two circles each with radius 5 cm. Tangent AB is 26 cm. The ...

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  7. One of diagonal of a parallelogram is 10 cm and an angle of the parall...

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  8. ABC is a triangle in which angleCAB = 80^(@) and angleABC = 50^(@), AE...

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  9. ABC is a triangle in which 35 times the smallest angle is equal to the...

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  10. In the adjoning figure O is the centre of the circle and AB is the dia...

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  11. In the given diagram O is the centre of the circle and CD is a tangent...

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  12. In the given diagram, an incircle DEF is circumscribed by the right an...

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  13. In the adjoining figure, a star is shown. What is the sum of the angle...

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  14. ABCD is a rectangle of dimensions 6cmxx8cm. DE and BF are the perpendi...

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  15. In the adjoining figure 'O' is the centre of circle. angleCAO = 25^(@)...

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  16. In the given diagram ABCD is a cyclic quadrilateral angleOCB = 50 ^(@...

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  17. ABC and CDE are right angled triangle. angleABC = angleCDE = 90 ^(@),...

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  18. Simplify:- (28*36)/18%of 50 = ?

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  19. In the given diagram triangleABC is an isosceles right angled triangle...

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  20. An n sided polygon has 'n' diagonals, then the value of n is :

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