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The side of an equilateral triangle is '...

The side of an equilateral triangle is 'a' units . Its height is…………units.

A

`(sqrt 3a) / 2`

B

`sqrt 3 / 4 a`

C

`3 / a sqrt 2`

D

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BEYOND PUBLICATION-SIMILAR TRIANGLES-EXERCISE
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  2. In a square, the diagonal is…………..times of its side.

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  3. The side of an equilateral triangle is 'a' units . Its height is…………un...

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  4. The ratio of the areas of two similar triangles is 1:4 then the ratio ...

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  5. triangle ABC ~ triangle PQR then AB : PQ = ……………

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  6. DeltaABC is an isosceles triangle angleC=90^@ then AB^2=…………..

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  7. Each angle of an equilateral triangle is…………

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  8. Each exterior angle of an equilateral triangle is………….

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  9. The longest side in a right triangle is…………..

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  10. In the figure, triangle ABC, DE// BC and (AD)/(DB)= 3/5, AC = 5.6 then...

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  11. From the figure, AD= ………..cm.

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  12. In the figure, LM//CB and LN//CD then (AM)/(AB) = ……….

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  13. In a trapezium, diagonals divide each other……….

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  14. The converse of "if in a triangle ABC, AB = AC then angleB = angle C" ...

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  15. In the figure, two triangles are similar then x = …………….cm.

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  16. In the figure, x = ……………cm.

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  17. triangle ABC ~ triangle PQR, angle A + angle B = 100^@, angle R=………

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  18. DeltaABC~DeltaDEF and their areas are respectively 64cm^2 and 121cm^2 ...

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  19. Which of the following are the sides of a right triangle?

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  20. From the figure y = ……………cm.

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