anonymous
  • anonymous
Difficult Question. Look at Diagram
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
|dw:1327459900782:dw|
anonymous
  • anonymous
find h
anonymous
  • anonymous

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Hero
  • Hero
Find angle B, apply law of cosines and law of sines
anonymous
  • anonymous
Use SOH CAH TOA Tan(47)=h/100 type this into your calculator: 100*tan(47) thats your answer :)
anonymous
  • anonymous
Hero
  • Hero
I meant angle D
Mertsj
  • Mertsj
@Brent Are you sure that h bisects the base AB?
anonymous
  • anonymous
Brent, AC and AB are not equal
anonymous
  • anonymous
AC and CB *
anonymous
  • anonymous
Hero
  • Hero
Apply law of sines
Mertsj
  • Mertsj
angle BDC= 48 degrees angle ADC = 43 degrees
Mertsj
  • Mertsj
angle ADB = 91 degrees
Mertsj
  • Mertsj
\[\frac{\sin 91}{200}=\frac{\sin47}{DB} DB = 146.3\]
Mertsj
  • Mertsj
\[\frac{\sin 48}{BC}=\frac{\sin90}{146.3} BC=111.0\]
Mertsj
  • Mertsj
\[\frac{\sin 42}{h}=\frac{\sin48}{111} h = 100.0\]
anonymous
  • anonymous
Im sorry i couldnt tell whether or not they were equal

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