A. 1/2 × base × height
B. length × width
C. π × radius²
D. base × height
Answer: 1/2 × base × height
A. 1/2 × base × height
B. length × width
C. π × radius²
D. base × height
Answer: 1/2 × base × height
Additional Information: The area of a triangle can be calculated using the formula A = 1/2 × base × height.
Subjects: Mathematics