Answer:
The correct answer is C. 104.5 square units.
Explanation:
Given that we know the base (19 square units) and the height (11 square units), the formula of the area of the obtuse triangle is =
Area of the obtuse triangle is = (Base * height) / 2
Area of the obtuse triangle is = 19 * 11 / 2
Area of the obtuse triangle is = 209 / 2
Area of the obtuse triangle is = 104. 5 square units
The correct answer for this question is C. 104.5 square units