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8 March, 15:36

In triangle ABC, < A=25 degrees and < C=55 degrees, What are the approximate measures of the remaining side lengths of the triangle?

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  1. 8 March, 18:19
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    Sum of angles in a triangle will always be 180°, no matter the type of triangle.

    Sum of angles in triangle = 180° = < A + < B + < C

    = 25° + < B + 55°

    180° = 25° + < B + 55°

    Subtract 25° and 55° from each side of the equation,

    180° - 25° - 55° = < B

    100° = < B

    Thus, < B = 100°

    It is impossible to determine the exact lengths of this triangle as there are no known lengths given in the question.
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