Answer:
5 cm^2
Step-by-step explanation:
The area of the large triangle is
A = 1/2 bh
A = 1/2 (3)*5
A = 15/2
The area of the unshaded triangle
A = 1/2 (1)*5
A = 5/2
Subtract to find the shaded area
15/2 - 5/2 = 10/2 = 5
A1/2
that is the answer
