How to Calculate the Missing Sides and Angles of Triangles

Find the value of in the triangle shown below. We can use the following equation to represent the triangle: The missing angle is minus the measures of the other two angles: The missing angle is .

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How do I find the angles of a triangle if I only have the lengths

Is it possible to find the angles of an acute triangle with only one known angle and no known side? Eugene Brennan (author) from Ireland on April 29, 2020: Use the simple formula: area = 1/2 the base x height. Multiply both
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The answer to this math question is 42.

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