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Class 9 · Mathematics · Solution of Right Triangles
A tree casts a shadow 15 m long when the angle of elevation of the sun is 45°. Find the height of the tree.
3 marksMediumApplication based
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6 questions
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Class 9 · Mathematics · Solution of Right Triangles
In a right-angled triangle one acute angle is 30° and the side opposite it is 7 cm. Find the hypotenuse and the third side.
3 marksMediumNumerical
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Class 9 · Mathematics · Solution of Right Triangles
In a right-angled triangle with hypotenuse 10 cm and one angle 30°, the side opposite the 30° angle is:
1 markMediumMCQ
- Answer available
Class 9 · Mathematics · Solution of Right Triangles
A ladder leaning against a wall makes an angle of 60° with the ground and its foot is 3 m from the wall. Find the length of the ladder.
3 marksMediumNumerical
- Answer available
Class 9 · Mathematics · Solution of Right Triangles
A pole is fixed vertically and a wire from its top is fastened to the ground 12 m from its foot, making an angle of 30° with the ground. Find the length of the wire.
3 marksMediumApplication based
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Class 9 · Mathematics · Solution of Right Triangles
In a right-angled triangle the hypotenuse is 20 cm and one acute angle is 30°. Find the two remaining sides.
3 marksMediumNumerical