In the given figure, find the length AC
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11
Answer:
AC=17²-8²=289-64=225
225^1/2=15CM
10²-8²=100-64=36
36^1/2=6CM
AC=15+6=21CM
siamlena23:
so be careful.. try solve like this. first take the triangle we know have 90° angle which is D
right triangle ADB and BCD apply pythogoras theorem on both to find AD and Dc
BDC
then AC=AD+DC
can you show the working
ok
ap konsi class ma ho
In triangle ADV, AD=√(100-64) =6cm.In triangle BDC, DC=√ 289-64=15cm
spelling mistakes first should be Triangle ADB
so AC=AD+DC=6+15=21cm
Answered by
2
bu angel bisector theorem
bd\dc=ab/ac
x/12-x=10/6
3x=5(12-x)
3x=60-5x
3x+5x=60
8x=60
x=60/8
x= 30/4
x=15/2
x=7.5cm
BD=x=7.5cm
DC=12-x=12-7.5=4.5 cm
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