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a triangle has sides of lengths 19, 20, 22 .

a) calculate the size of each angle of the triangle.

b) calculate the area of the triangle 

 Oct 13, 2020
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a triangle has sides of lengths 19, 20, 22 .

a) calculate the size of each angle of the triangle.

b) calculate the area of the triangle 

 

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 Oct 13, 2020

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