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If triangle ABC, angle B = 90^@. If AB =...

If `triangle ABC`, `angle B` = `90^@`. If AB = 12, `angle C` = `30^@`. Then find BC.

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BEYOND PUBLICATION-APPLICATIONS OF TRIGNOMETRY-EXERCISE
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  2. The slope of a hill makes an angle of 60^@ with the horizontal. If one...

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  3. If the shadow of 10 m high tree is 10 sqrt 3 m. Then find the angle of...

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  7. If altitude of the sun is 60 degrees, the height of a tower which cast...

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  8. The ratio of the lengths of a tree and its shadow is 1 : (1 / sqrt 3) ...

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  9. The length of the string of a kitef flying at 100m above the ground wi...

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  10. The angle of elevation of the top of a tower from a point of the groun...

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  11. The angle of elevation of the top of a tree from a point at a distance...

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  12. A steel pole is 10 m high. To keep the pole upright one end of a steel...

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  13. If the angle of elevation of Sun is 45^(@), then the length of the sha...

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  14. A tower subtends an angle alpha at a point A on the same level as the ...

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  15. In the diagram if PQRS is a square of side 3 cm and angle PTS = 60^@. ...

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  16. In the given figure, AC= 6 cm, AB= 5 cm and /BAC=30^(@). Find the area...

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  17. In the given figure, AC= 6 cm, AB= 5 cm and /BAC=30^(@). Find the area...

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  18. If triangle ABC, angle B = 90^@. If AB = 12, angle C = 30^@. Then find...

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  19. The length of the shadow of tower is equal its height. Then the angle ...

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  20. In triangle ABC , a = 4, b = 3 and angle A = 60^(@) . Then c is root...

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