ABC is a right angled triangle, <B=90, D is the midpoint of AC, AB= 3cm, BC=4cm, then BD is.
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in right triangle ABC, ACsqare=ABsquare+ADsquare
ACsquare=3square+4sqare=9+16=25
therefore AC= underoot25 =5
given AD is midpoint therefore AD=DC=2.5
in right triangle ABD , ABsquare=ADsquare+BDsquare
BDsquare=ABsquare-ADsqare=3square-2.5square=9+6.25=15.25
therefore BD=underroot 15.25=3.90 approx.
hope this is correct and helps you!
plz mark as brainlist!
ACsquare=3square+4sqare=9+16=25
therefore AC= underoot25 =5
given AD is midpoint therefore AD=DC=2.5
in right triangle ABD , ABsquare=ADsquare+BDsquare
BDsquare=ABsquare-ADsqare=3square-2.5square=9+6.25=15.25
therefore BD=underroot 15.25=3.90 approx.
hope this is correct and helps you!
plz mark as brainlist!
aac33:
thank u for marking my answer as brainlist
hey.. your answer is wrong
you have written in one step.. 3^2-(2.5)^2= BD^2.... AND in the next step you wrote .. 9+6.26=BD^2.. How come -(2.5)^2 suddenly became +(2.5)^2?????
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