5. The frustum of a pyramid with sq...
Question

# 5. The frustum of a pyramid with square base, has its upper and lower sections as squares of sizes 2m and 5m respectively, and the distance between them is 6m. Find the height of the pyramid from which the frustum was obtained............. ..............100

JEE/Engineering Exams
Maths
Solution
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(2) ( angle A F B=angle A D E ) tan ( (A A F B)=tan (angle A D E) ) ( frac{A B}{B F}=frac{A C}{D C} )