Mathematics
Mathematics, 28.06.2021 21:20, omojay1257

The measure of the vertex angle of an isosceles triangle is (a + 30)°. The base angles each measure (2a - 15)º. What is the measure in degrees of one of the base angles?​

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The measure of the vertex angle of an isosceles triangle is (a + 30)°. The base angles each measure...

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