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Resident Welfare Association (RWA) of a M2 K Society in Azadpur have put up three electric poles A,B and C in a society 's common park near Tower A . Despite these poles ,some parts of the park are still in dark. So , RWA decides to have one more electron pole D in the park.

The distance of the pole B from the corner O of the park is :

A

`sqrt53 units`

B

`sqrt41 units`

C

`sqrt72 units`

D

`sqrt145 units`

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Resident Welfare Association (RWA) of a M2 K Society in Azadpur have put up three electric poles A,B and C in a society 's common park near Tower A . Despite these poles ,some parts of the park are still in dark. So , RWA decides to have one more electron pole D in the park. The position of the pole C is :

Resident Welfare Association (RWA) of a M2 K Society in Azadpur have put up three electric poles A,B and C in a society 's common park near Tower A . Despite these poles ,some parts of the park are still in dark. So , RWA decides to have one more electron pole D in the park. The position of the fourth pole D so that four points A,B,C and D form a parallelogram is :

Resident Welfare Association (RWA) of a M2 K Society in Azadpur have put up three electric poles A,B and C in a society 's common park near Tower A . Despite these poles ,some parts of the park are still in dark. So , RWA decides to have one more electron pole D in the park. On the basis of the above information ,answer any four of the following questions : The distance between poles A and C is :

Resident Welfare Association (RWA) of a M2 K Society in Azadpur have put up three electric poles A,B and C in a society 's common park near Tower A . Despite these poles ,some parts of the park are still in dark. So , RWA decides to have one more electron pole D in the park. Plot a point D so that ABCD becomes parallelogram .The distance between poles B and D is :

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A pole of height h stands at one corner of a park of the shape of an equilateral triangle. If alpha is the angle which the pole subtends at the mid point of the opposite side, the length of each side of the park is

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