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- 1. Multiple ChoiceSay 'TRUE' or 'FALSE'
If the length of the shadow of tower is increasing, then the angle of elevation of the sun is also increasingTRUEFALSE - 2. Multiple ChoiceSay 'TRUE' or 'FALSE'
In a right triangle, if two acute angles are equal then the length of hypotenuse is √2 times the length of each sideTRUEFALSE - 3. Multiple ChoiceIn a right triangle, one side other than the hypotenuse is 8 cm and an acute angle is 45°. What is the length of the hypotenuse?4 cm8 cm8√2 cmNone of the above
- 4. Multiple ChoiceIn a right triangle, hypotenuse is 10 cm long and an acute angle is 30°. What is the length of the side opposite to this angle?5 cm5√2 cm10 cmNone of the above
- 5. Multiple ChoiceThe length of the shadow of a 4 m high vertical pole on the level ground at an instant when the sun elevation is 60° is___2 m4√3 m4⁄√3 m4 m
- 6. Multiple ChoiceThe ratio of the length of the pole and its shadow is 1 : √3. The angle of elevation of the sun is ____30°60°45°90°
- 7. Multiple Choice
30°60°45°90° - 8. Multiple Choice10 cm10√3 cm5 cm20 cm
- 9. Multiple ChoiceThe angle of elevation of the top of a tower is 30°. If the height of the tower is doubled then the angle of elevation of the top will be_____No change: 30°Will be doubled : 60°will become 45°None of the above
- 10. Multiple ChoiceSay 'TRUE' or 'FALSE'
If both the height of the pole and the distance of the point of observation from the foot are increased by the same length, the angle of elevation of its top remains unchangedTRUEFALSE - Answer choicesTagsAnswer choicesTags