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Mathematics, 03.10.2020 01:01 kidzay

Can you explain for brainlist pls 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?
A. 36°
B. 45°
C. 57°
D. 66
E. 90°

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Can you explain for brainlist pls The measure of the vertex angle of an isosceles triangle is (a +3...
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