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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 

 Jan 28, 2018

Best Answer 

 #1
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Answered here:  https://web2.0calc.com/questions/help_16307

 Jan 28, 2018
 #1
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+1
Best Answer

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

Guest Jan 28, 2018

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