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Triangle ABC is isosceles with AB = BC. If AC = 20 and ABC = 240, then find the perimeter of triangle ABC.

 Jun 19, 2020
 #1
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AC is the base. Base * height/2 = 240.

 

20 * height/2 = 240.

 

THen use the pythogoream theoreom to solve for the sides.

 Jun 19, 2020
 #2
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thank you!

Guest Jun 19, 2020
 #3
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-1

no problem, feel free to ask if you are stuck on anything else!

hugomimihu  Jun 19, 2020

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