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Let ABCDEFGH be a box. AB = 3, BC = 4, CG = 5.  Find angle ACH in degrees.

 

 Nov 11, 2020
 #1
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Find the third side of the triangle ACH by using the Pythagorean theorem.

 

Calculate the surface of a triangle using Heron's formula.

 Nov 11, 2020
 #2
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Find all 3 sides of the red triangle.smiley

jugoslav  Nov 11, 2020

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