Question

The orthocenter of an obtuse-angled triangle is formed

• A. In front of the obtuse angle of the triangle
• B. Behind the obtuse angle
  of the triangle
• C. On the obtuse angle of the triangle
• D. Inside the triangle

Answer 1

The correct option is B Behind the obtuse angle

of the triangle
$AD\perp BC$
$BE\perp AC$
$CF\perp AB$ will meet behind the obtuse angle as shown in the figure.