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The length of a flag at the roof of thre...

The length of a flag at the roof of three storied building is 3.3 metres. From any point of road, the angles of elevation of the top and the foot of the falgspot are `50^@` and `45^@`. Find the height of the three-storied building . `[tan50^@ = 1.192]`

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The length of the flag at the roof of three-storied building is 3.3 metres. From any point of road, the angles of elevation of the top and foot of the flagpost are 50^(@) and 45^(@) . Calculate the height of three-storied building [ Let tan 50^(@) =1.192]

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UNITED BOOK HOUSE-SUGGESSTION OR MADHYAMIK PARIKSHA-EXERCISE
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  3. If the difference between two acute angles of a right angled triangle ...

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  5. Find the value of sin^2 60^@ cot30^@- 2sec^2 45^@+ 3cot60^@ tan 45^@-t...

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  6. Show that tan 15^@+ tan 75^@ = (sec^2 15^@)/sqrt(sec^2 15^@-1)

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  7. If 5 sin^2 theta+4 cos^2 theta = 9/2 , find the value of tan theta.

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  8. A man standing on a railway bridge 5sqrt3 meters high, observes the en...

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  9. From a point on the roof a house 11 metres height, it is observed that...

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  10. The length of a flag at the roof of three storied building is 3.3 metr...

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  11. Half of the cuboidal water tank with length 2.1m and breadth of 1.5m i...

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  12. An outlet pipe in the roof with length 13m and breadth 11m was closed ...

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  13. If two solid spheres with the radii of 1 cm and 6 cm lengths are melte...

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  14. The slant height of a right circular cone is 7 cm and the total surfac...

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  15. If the mean of the following data is 54 then find the value k.

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  16. Find the median of the following distribution table.

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  17. Find themode of the following frequency distribution.

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  18. Find the mean of the following frequency distribution table.

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  19. Draw an ogive from the following data(less then type):

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  20. Find the mode of the following distribution table.

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