Respuesta :

mahesharanthilini

I think the answer is 30km^2

1/2 ×4 × 15 = 30

Laureneluck2006
Answer:
The answer is 30
Explanation:
4+b=7
b=3
1/2 x 12 x 4= 24
1/2 x 4 x 3= 6
24+6
30