Answer:
Length of arc = 0.628 r
Step-by-step explanation:
Given:
∠ AOB = 36°
Radius = (r)
Find:
Length of arc AB = ?
Computation:
Length of arc = 0.628 r
You take your answer 20 and multiply it by 6 to get 120 then you divide it by 5 to get your answer of 24
help full?
Answer:
c
Step-by-step explanation:
Answer:
There is enough paint to cover the tank with one layer of paint.
Step-by-step explanation:
Given the cilindrical configuration of the tank and supposing that only external face must be painted, the surface area of the section (lateral wall + lid) can be calculated by the following expression:
Where and represent the radius and the height of the cube, respectively.
If (a diameter is two times the length of radius) and , the intended surface area is:
It is known that 250 mL of paint are needed to cover a square meter of the surface area, the needed amount of paint to cover the required area is estimated by simple rule of three:
In consequence, there is enough paint to cover the tank with one layer of paint.
Answer:
24
Step-by-step explanation:
just multiply 5 times 18 and gives u 90 and then add all the other numbers and het 66 90 m-66=24 all that added equals 90 90 divided by 5 is 18