StudyTheWorld
  • StudyTheWorld
Help!! WIll medal and fan!! Pleaseee help Suppose an isosceles triangle ABC has A = 45 (degrees) and b=c=3. What is the length of a^2?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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StudyTheWorld
  • StudyTheWorld
@ParthKohli @zepdrix Anyone?
anonymous
  • anonymous
a=BC^2=9.42
StudyTheWorld
  • StudyTheWorld
Dude that's not even an answer choice, stop telling me false information

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StudyTheWorld
  • StudyTheWorld
@Peach-es1234
anonymous
  • anonymous
What is the answer choices.............
ronlover101
  • ronlover101
sin A/(BC) =sin C/(4) BC=sin A/sin C *4= 0.707*4/0.92=3.07 standard ratio of sin to side
ronlover101
  • ronlover101
so a=BC^2=9.42
StudyTheWorld
  • StudyTheWorld
2.30 5.27 30.73 12.73 Do one of those say 9.42? No
anonymous
  • anonymous
Well how are we suppose to know if that was correct if the answer choices weren't posted.
TrojanPoem
  • TrojanPoem
|dw:1446753684274:dw| use the cosine law: a^2 = b^2 + c^2 - 2bc cos A well, it's asking for a^2 , and you have all the unknowns a^2 = (3)^2 + (3)^2 - 2 * 3 * 3 * cos45 a^2 = 5.27
StudyTheWorld
  • StudyTheWorld
@TrojanPoem Yay thank yuo you helped me al ot
TrojanPoem
  • TrojanPoem
Any time.
TrojanPoem
  • TrojanPoem
@ronlover101 , Why ?
ronlover101
  • ronlover101
I was joking you rock!

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