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ICSE Class 9 Answered

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Asked by Suneel | 24 Feb, 2018, 04:42: PM
answered-by-expert Expert Answer
begin mathsize 16px style angle EDA equals angle EDC plus angle CDA equals 90 plus 56 equals 146 ED equals DA..... Sq space and space Rhombus angle DEA equals angle DAE by space sum space of space angles space in space increment DEA angle DEA equals angle DAE equals 17 angle FEA equals 90 minus 17 in space increment ABC BC equals AB angle BCA equals angle BAC by space sum space of space angles angle BCA equals angle BAC equals 62 angle EAC equals angle BAD minus angle BAC minus angle DAE In space RHOMBUS 2 angle CBA plus 2 angle BAD equals 360 angle BAD equals 124 angle EAC equals 124 minus 62 minus 17 angle AEC equals angle FED minus angle FEC minus angle DEA angle FED equals 90 angle FEC equals 45...... increment FEC space IS space 45 space 45 space 90 increment end style
Answered by Arun | 25 Feb, 2018, 07:59: PM

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ICSE 9 - Maths
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