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A girl of height 90 cm is walking away f...

A girl of height 90 cm is walking away from the base of a lamp-post at a speed of `1.2m//sec`. IF the lamp-post is 3.6 m above the ground, find the length of her shadow after 4seconds.

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The correct Answer is:
`=1.6m`
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VGS PUBLICATION-BRILLIANT-SIMILAR TRIANGLES -EXERCISE 8.2
  1. In the given figure angle ADE=angleB Show that DeltaABC~DeltaADE.

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  2. In the given figure angle ADE=angleB IF AD=3.8 cm, AE=3.6 cm, BE=2.1...

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  3. The perimeters of two similar triangle are 30 cm and 20 cm respectivel...

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

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  5. CM and RN are respectively the medians of similar triangle DeltaABC an...

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  6. CM and RN are respectively the medians of similar triangle DeltaABC an...

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  7. CM and RN are respectively the medians of similar triangle DeltaABC an...

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  8. Diagonals AC and BD of a trapezium ABCD with AB||DC intersect each oth...

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  9. AB,CD,PQ are perpendicular to BD. AB=x. CD=y and PQ=z, prove that 1/x+...

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  10. A flag pole 4 cm tall casts a 6m, shadow. At the same time , a nearby ...

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  11. CD and GH are respectively the bisectors of angle ACB and angle EGF su...

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  12. CD and GH are respectively the bisectors of angle ACB and angle EGF su...

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  13. CD and GH are respectively the bisectors of angle ACB and angle EGF su...

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  14. AX and DY are altitudes of two similar triangle DeltaABC and DeltaDEF....

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  15. Construct a Triangle shadow similar on the given DeltaABC, with its si...

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  16. Construct a Triangle of sides 4 cm, 5 cm and 6cm. Then, construct a Tr...

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  17. Construct is an isosceles Triangle whise base is 8 cm and altitude is ...

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