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ICSE Class 9 Answered

Please give the solution to question 10. c
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Asked by arirunadasgupta | 18 Aug, 2018, 12:21: PM
answered-by-expert Expert Answer
begin mathsize 18px style increment ADC space is space 30 degree minus 60 degree minus 90 degree space triangle side space opposite space to space 30 degree space is space 1 half cross times hypotenuse CD equals 5 space straight m in space increment CDB by space pythagoras DB space equals square root of 25 cross times 2 minus 25 end root equals 5 DB space equals CD so comma straight y space equals space 45 degree............. open parentheses 45 degree minus 45 degree minus 90 degree space triangle close parentheses end style
Answered by Arun | 20 Aug, 2018, 10:52: AM

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ICSE 9 - Maths
(2X+3y+5)(2x+3y-5)
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ICSE 9 - Maths
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a
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