Option A: 6 square inches is the area of the triangle.
Step-by-step explanation:
Given that the base of the triangle is 4 inches.
The height of the triangle is 3 inches.
We need to determine the area of the triangle.
Area of the triangle:
The area of the triangle can be determined using the formula,

where b is the base and h is the height of the triangle.
Substituting
in the above formula, we get,



Thus, the area of the triangle is 6 square inches.
Hence, Option A is the correct answer.