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a triangle has sides of lengths 19cm, 20cm, 21 cm.

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

b) calculate the area of the triangle 

Guest Jan 28, 2018

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Answered here:  https://web2.0calc.com/questions/help_16307

Guest Jan 28, 2018
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 #1
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Best Answer

Answered here:  https://web2.0calc.com/questions/help_16307

Guest Jan 28, 2018

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