Solve , Question 72 , it would be a great help , brainliest , thanku sab milega
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AD²=AB²+BD²
OR,=(2EB)²+(BD)²
AND,CE²=(EB²)+(2BD²)
LET,EB AND BD BE X,Y RESPECTIVELY
AD²=4X²+Y²=292
AND
CE²=X²+4Y²=208
LET,X² AND Y² BE A ,B RESPECTIVELY
4A+B=292
A+4B=208
AFTER SOLVING A=64AND B=36
SO ,X=8,B=6
THEREFORE, AC²=AB²+BC²
=(2×8)²+(2×6)²
=√400
there fore ,AC=20cm
so ,tick the option 3
OR,=(2EB)²+(BD)²
AND,CE²=(EB²)+(2BD²)
LET,EB AND BD BE X,Y RESPECTIVELY
AD²=4X²+Y²=292
AND
CE²=X²+4Y²=208
LET,X² AND Y² BE A ,B RESPECTIVELY
4A+B=292
A+4B=208
AFTER SOLVING A=64AND B=36
SO ,X=8,B=6
THEREFORE, AC²=AB²+BC²
=(2×8)²+(2×6)²
=√400
there fore ,AC=20cm
so ,tick the option 3
Answered by
1
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