2x 5 70 x apply the exterior angle theorem. In addition to your geometry skills you ll be able to polish your algebra skills as you set up and solve equations on some of the tougher triangles. Finding the exterior angle.
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1 4 1 classifying triangles day 1 page 180 181 1 4 7 10 22 29 32 33 2. Interior angles solve for x. Given two triangles determine whether they are congruent and use that to find missing angle measures. All six parts of one triangle will match all six parts of the congruent triangle.
