Answer:
prolly 30
Step-by-step explanation:
Answer:
10m
Step-by-step explanation:
Use the area of triangle:
Area of triangle =

1/2 × b × 3 = 15
b × 3 = 30
b = 30/3
b = 10
9.6022 is greater than 5.298, because if you look in the front, 9 is bigger than 5. Hope I helped =D