А11. In the given figure, DB 1 BC, DE 1 AB andAC I BC.DBEACProve that

1.	А11. In the given figure, DB 1 BC, DE 1 AB andAC I BC.DBEACProve that[CBSE 2008]DEBCREB.С12. A vertical stick of length 7.5 m casts a shadow 5 m long on the groundand at the same time a tower casts a shadow 24 m long. Find the heightof the tower.13. In an isosceles AABC, the base AB isproduced both ways in P and Q such thatAP BQ = AC.Prove that AACP ~ ABCQ.PAB.АAC CB14. In the given figure, 21 = Z2 andBD CEProve that AACB - ADCE.D
Answer» ANSWER: ghvvvvbbbbb Step-by-step EXPLANATION: ryhhhhbbbbvghhh

А11. In the given figure, DB 1 BC, DE 1 AB andAC I BC.DBEACProve that[CBSE 2008]DEBCREB.С12. A vertical stick of length 7.5 m casts a shadow 5 m long on the groundand at the same time a tower casts a shadow 24 m long. Find the heightof the tower.13. In an isosceles AABC, the base AB isproduced both ways in P and Q such thatAP BQ = AC.Prove that AACP ~ ABCQ.PAB.АAC CB14. In the given figure, 21 = Z2 andBD CEProve that AACB - ADCE.D

Answer»

ANSWER:

ghvvvvbbbbb

Step-by-step EXPLANATION:

ryhhhhbbbbvghhh

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