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12-07-2020
Mathematics

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58. 122. 61. None of the choices are correct

58 122 61 None of the choices are correct class=

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12-07-2020

Answer:

C. 61

Step-by-step explanation:

Two sides are equal, so the triangle is an isosceles triangle.

Both base angles are equal.

Angles in a triangle add up to 180 degrees.

58 + x + x = 180

58 + 2x = 180

2x = 122

x = 61

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