A ladder 10 m long just reaches the top of a vertical wall. If the ladder makes an angle of 30° with the ground, then the height of the wall is :

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MCQ (Single)Sine Ratio in Right TriangleCBSE PYQ

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A 30 m long rope is tightly stretched and tied from the top of pole to the ground. If the rope makes an angle of 60° with the ground, the height of the pole is :

MCQ (Single)Sine Ratio in Right TriangleApplication of Trigonometry in Finding Heights

The tops of two poles of heights 20 m and 28 m are connected with a wire. The wire is inclined to the horizontal at an angle of 30°. Find the length of the wire and the distance between the two poles.

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Application of Trigonometry in Finding Heights

Application of Trigonometry in Finding Distances