Answer:
The ladder reach a height 8.485 ft.
Step-by-step explanation:
The ladder with the building made right angle triangle
The length of the ladder is the hypotenuse 12 ft.
The angle between the ladder and the building is 45°
The height of the ladder reach is the vertical side of the Δ
∴ h = 12 cos 45° = 6√2 = 8.485 ft.
Answer:
1. x>20 2. x≤1 3.x<4 4.x>9 5.x≥-13
Answer:
4miles
Step-by-step explanation:
mean = (6.5+5+2+2+4.5)/5 = 20/5 = 4