aaa46
aaa46
01-03-2017
Mathematics
contestada
How to find the length of line BD
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ChandrikaP
ChandrikaP
02-03-2017
first find AC
(AC)^2=(AD)^2+(DC)^2
(AC)^2=2.5^2+25
AC=5.6
now lets find BC
BC^2=CD^2+DB^2
BC=25+4x^2+16+16x
BC=4x^2+16x+41
i couldnot find BD..i guess there is not enough information for BD
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a+b=20 c+d=30 Calculati ac+ad+bc+bd= ?
