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A ladder 15 m long reaches a window w...

A ladder 15 m long reaches a window which is 9 m above the ground on one side of a street. Keeping its foot at the some point, the ladder is turned to other side of the street to reach a window 12 m high. Find the width of the street.

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A ladder 17 m long reaches a window which is 8 m above the ground, on one side of the street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window at a height of 15 m. Find the width of the street.

A ladder reaches a window which is 15 metres above the ground on one side of the street. Keeping its food at the same point, the ladder is turned to the other side of the street to reach a window 8 metre high. Find the width of the street, if the length of the ladder is 17 metres.

A ladder 65 feet long is placed against a building and reaches a point that is 56 feet above the ground on one side of a street. Keeping the foot of the ladder at the same point, the ladder is turned to a building on the other side of the street. It now touches this building at a point 63 feet above the ground. find the width of the street.

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A 15 m long ladder reached a window 12 m highfrom the ground on placing it against a wall at a distance a. Find the distance of the foot of theladder from the wall.

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RD SHARMA ENGLISH-TRIANGLES-All Questions
  1. Prove that in any triangle the sum of squares of any two sides is equa...

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  2. AD is an altitude of an equilateral triangle ABC. On AD as base...

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  3. A ladder 15 m long reaches a window which is 9 m above the ground o...

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  4. Prove that three times the sum of the squares of the sides of a tri...

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  5. In Figure, D , E are points on sides A B and A C respectively of /\A ...

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  6. In the trapezium ABCD,AC and BD intersect at O and also AB=2CD If the ...

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  7. ABC is an isosceles triangle right-angled at B. Similar triangles ...

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  8. In Figure, DE||BC and AD : D B=4: 5. Find (A r e a( D E F))/(A r e a( ...

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  9. ABC is a right triangle right-angled at B. Let D and E be any points o...

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  10. P and Q are the mid-points of the CA and CD respectively of a tri...

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  11. A girl of height 90 cm is walking away from the base of a lamp-post...

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  12. If A B C is a right triangle right-angled at Ba n dM ,N are the mid-...

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  14. If triangle A B C is similar to triangle D E F such that B C=3cm ,...

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  15. The perimeters of two similar triangles are 30cm and 20cm respectively...

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  16. Two triangles B A Ca n dB D C , right angled at Aa n dD respectively, ...

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  17. ABC is a right angle triangle right angled at A. A circle is inscribed...

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  18. In Figure, /B A C=90^0,A D is its bisector. If D E|A c , prove that D...

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  19. Prove that the line segments joints joining the mid-points of the a...

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  20. In figure, P is the mid-point of B C , ,Q is the mid-point of A P ,...

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