Q. 84.7( 3 Votes )

If a vertic

Answer :

Let AB be the stick of length 12 m and BC be the shadow 8 m long. Similarly DE be the tower with shadow 40 m long.


ABC = DEF {90° each}

BCA = EFD {angular elevation is same at the same instant}

By the criterion of similar triangle AA which says that

if two angles of one triangle are respectively equal to two angles of another triangle then the two triangles are similar


{Corresponding sides of the similar triangles are in same ratio}

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