two isosceles triangles have equal vertical angles and their areas are in the ratio 9: 16. find the ratio of their corresponding heights.
ayushman51:
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Answered by
99
hello mate here's your answer
=> Given ABC and DEF are isosceles triangles and AP and DQ are their respective altitudes or heights. In ΔABC, AB = AC In ΔDEF, DE = DF Also ∠A = ∠D
So, in ΔABC and ΔDEF AB/DE = AC/DF and (angle) A = (angle) D
So by SAS similarity criterion ΔABC::
=> ar(ΔABC)/ar(ΔDEF)=AP^2/DQ^2
=> 9/16 = AP^2/DQ^2
=> AP/DQ = √9/√16
=> AP/DQ = 3/4
AP:DQ = 3:4
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well the following answer is the required answer
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