a5yd8kaykaRawatiff a5yd8kaykaRawatiff

25-02-2016
Mathematics

contestada

Write a list of steps that are needed to find the measure of angle B if angle A is 72 and angle C is 113 ( the figure is a triangle :D ).... please help

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taskmasters taskmasters

04-03-2016

Triangle has 3 angles, A, B, C. The total interior angle of a triangle is 180.
180 = A + B + C
180 = 72 + B + 113
180 = B + 185
B = 180 - 185
B = -5

This only proves that the figure is not a triangle because angle B is negative.

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