pls solve this question with solution??
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Answered by
1
Answer:
by Pythagoras therom
BDsq=BCsq+CDsq
x=12sq+9sq
x=144+81
x=225
x=15sq
Answered by
1
In the given figure ,
∠ABC = ∠BDC=90°
In △BDC
BC²=BD²+CD²[pythagoras theorem]
BC²=18²+24²
BC=30
In △ABC
AC²=AB²+BC²
50²=AB²+30²
AB²=1600
AB=40
now,2 tan n - sin y
=2[BC/AB]-[BD/BC]
= 60/40 - 18/30
= 3/2 - 3/5
=9/10 ans
hope this will help you......
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