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Posted inClass 10th math NCERT Some Application of Trigonometry Chapter–9 Some Applications of Trigonometry Exercise 9.1
NCERT, Class 10, Triangles, Chapter–9, Exercise-9.1 – Exact approach to each question with proper figure and explanation
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A 1.2 m tall girl spots a balloon moving with the wind in a horizontal line at a height of 88.2 m from the groundA 1.5m tall boy is standing at some distance from a 30m tall buildingA circus artist is climbing a 20m long rope which is tightly stretched and tied from the top of a vertical pole to the groundA contractor plans to install two slides for the children to play in a parkA kite is flying at a heightA man standing at the top of the tower observes a car at an angle of depression of 30 degree which is approaching the foot of the tower with a uniform speedA statue 1.6m tallA straight highway leads to the foot of a towerA tree breaks due to storm and the broken part bends so that the top of the tree touches the ground making an angleA TV tower stands vertically on a bank of a canalAfter some time the angle of elevation reduces to 30 degreeangle made byangle of depressionangle of elevationangle of elevation from his eyes to the top of the building increases from 30 degree to 60 degree as he walks towards the buildingAs observed from the top of a 75 m high lighthouse from the sea-level the angles of depression of two ships are 30 degree and 45 degreeDeterminedistance travelled by the balloon during the intervalFindFind the height of the poles and the distance of the point from the polesFind the height of the tower and width of the canalFrom a point between them on the road angles of elevation of the top of poles are 60 degree and 30 degreeFrom a point on the ground the angle of elevation of the top of the statue is 60 degree and from the same point the angle of elevation of the top of the pedestal is 45 degreeFrom a point on the ground the angles of elevation of the bottom and the top of a transmission tower fixed at the top of a 20m high building are 45 degree and 60 degree respectivelyFrom a point on the other bank directly opposite the tower the angle of elevation of the top of the tower is 60 degreeFrom another point 20m away from this point on the line joining this point to the foot of the tower the angle of elevation of the top of the tower is 30 degreefrom the foot ofFrom the top of a 7m high building the angle of elevation of the top of a cable tower is 60 degree and the angle of depression of its foot is 45 degreeHeight and distanceHeight and distance all questionsheight ofheight of the pedestalheight of the poleIf one ship is exactly behind the other on the same side of lighthouse find the distance between the two shipsIf the tower is 50m high find the height of the buildinginclinationNCERT Class-10th chapter-9 Some Applications of Trigonometry Exercise-9.1NCERT Class-10th chapter-9 Some Applications of Trigonometry Exercise-9.1 all questionsNCERT Class-10th Some Applications of TrigonometryNCERT Class-10th Some Applications of Trigonometry all questionsNCERT Class-10th Some Applications of Trigonometry chapter-9NCERT Class-10th Some Applications of Trigonometry chapter-9 all questionsNCERT height and distanceNCERT height and distance all questionsProve that the height of the tower is 6mSix seconds later the angle of depression of the car is found to be 60 degreeslack in the stringslideSome Applications of Trigonometrystands on the top of a pedestalsteepstringThe angle of elevation of the balloon from the eyes of the girl at any instant is 60 degreeThe angle of elevation of the top of a building from the foot of the tower is 30 degree and the angle of elevation of the top of the tower from the foot of the building is 60 degreeThe angle of elevation of the top of a tower from a point on the groundThe angles of elevation of the top of a tower from two points at a distance of 4m and 9m from the base of the tower and in the same straight line with it are complementaryThe distance between the foot ofThe string attached to the kite is temporarily tied to a point on the groundtime taken by the car to reach the foot of the tower from this pointTwo poles of equal heights are standing opposite each other on either side of the road which is 80 m widewalked towards the buildingWhat should be
Last updated on December 24, 2024
