Answer:
height = 4.5 cm
Step-by-step explanation:
9 liters = 9000 cm^3
(50x40xH) = 9000
H = 4.5 cm
D
2
9x + 9 = 25 + x
8x = 16
x = 2
make sure to ask if you need any further guidance.
165°
11π/12 * 180/π = 1980π/12π
Reduce & Cancel: 165°