Answer is B, there are two equal base angles in an isosceles triangle, so given that ( 75+75 =150), the total of the interior angles in any triangle is 180, so 180-150 =30 ( which is the vertex angle) , the upper angle of the triangle.
Step-by-step explanation:
wnich grade you are in
please answer fast
49.276 mm, (25.4 mm•x in) es la ecuación para convertir las pulgadas a milímetros