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In ABC, angle BAC = 60 degrees, AB = 2AC. Point P is in ABC. AP = sqrt 3, BP = 5, CP = 2. Find the area of ABC.

 

 Dec 4, 2020
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In ABC, angle BAC = 60 degrees, AB = 2AC. Point P is in ABC. AP = sqrt 3, BP = 5, CP = 2. Find the area of ABC.

 

AC = √7            AB = 2√7

 

Use the Law of Cosines to find BC

 

Using Heron's formula calculate the area of triangle ABC

 Dec 4, 2020
edited by Guest  Dec 4, 2020

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