Draw a large triangle with three acute angles. construct the angle bisector of all three angles of triangle.

The angle bisector is  construct.

Step-by-step explanation:

We used the geogebra.org site. We first constructed a large triangle with acute angles. Then from point A we made a semicircular section to its sides. At the intersection of the sides and the semicircular section, we construct two circles so that they intersect. Then from the point A we draw a  line through the intersection of the circles and thus we obtain the bisector of the angle.

We repeat the same procedure for point B and for point C. In this way, we obtain a bisector for all angles of a triangle.

the answer is b