Answer:
D. 38.5 square units
Explanation:
The area of an obtuse triangle can be figured out in the same way as any other triangle: ¹/₂bh. Substitute b and h for 11 and 7 respectively.
¹/₂(11(7))
1/2 * 77/1
77/2
The area of the triangle in this question is 38 1/2 (38.5) square units.