find the area of a triangle

Answer:
A = 15 yd^2
Step-by-step explanation:
The area of a triangle
A = 1/2 bh where b is the base length and h is the height
A =1/2 (10) * 3
A = 15 yd^2
Answer:
15 yd squared
Step-by-step explanation:
Multiply the base by the height and divide by 2. So 10x3 is 30 and 30 divided by 2 is 15.