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ICSE Class 10 Answered

Solution of sample paper important questions 
question image
Asked by nandini.umesh1997 | 24 Feb, 2018, 06:07: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight Q 6 straight a right parenthesis space Use space distance space formula space find space AC space
AC equals square root of 40
now
AC squared equals AB squared plus BC squared....... AB equals BC space square
40 equals 2 AB squared
AB equals square root of 20
let space straight B equals open parentheses straight x comma straight y close parentheses
use space distance space formula
AB equals square root of 20...... find space eqn......1
BC equals square root of 20...... find space eqn......2
solve
similarly
let space straight D left parenthesis straight a comma straight b right parenthesis
DA equals DC equals square root of 20

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Answered by Arun | 25 Feb, 2018, 03:19: PM
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