Find the measures of the angles of the triangle whose vertices are A = (7, 8, 5), B = (2, 7, 5), and C = (-7, -3, -4). Measure of angle A is Measure of angle B is Measure of angle C is
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Find the vectors AB and AC: AB = B - A = (2,7,5) - (7,8,5) = (-5,-1,0) AC = C - A = (-7,-3,-4) - (7,8,5) = (-14,-11,-9) Show moreā¦
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