Help me with the triangle area please

Answer:
15 m ^2
Step-by-step explanation:
3 x 10 is 30
divide that by 2 since the triangle can fit in half of the rectangle shape
you will get 15
Answer:
15
Step-by-step explanation:
1/2 * b*h
b is the base
h is the height
= 1/2 * 10 * 3
= 15