<span>The Least Common Multiple (LCM) is: 2 x 2 x 2 x 3 x 7 = 168</span>
Answer: 0.45
Step-by-step explanation:
1. The surface that will be exposed to the rain is the lateral surface of the cylinder and the hemisphere.
2. The lateral area of the cylinder is a rectangle with height equal to the height of the cylinder and width equal to the circumference of the base of the cylinder.
3. the circumference of the base = 2

r=2*

*5=10

so the lateral area = 10

*h=10

*40=400

(

)
4. The surface area of a sphere is

so the surface of the hemisphere =

(

)
5. Total area exposed = 450
If you times it the answer is going to be 1,200
Answer:
13.5 m
Step-by-step explanation:
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