Answer:
The total surface area of a cylinder is .
Step-by-step explanation:
We have,
Height of a cylinder, h = 5 cm
Radius of a cylinder, r = 2 cm
It is required to find the total surface of a cylinder. The formula of the total surface area of cylinder is given by:
So, the total surface area of a cylinder is . Hence, the correct option is (A).
Answer:
<h2>C. 97.6 in³</h2>
Step-by-step explanation:
The formula of a volume of a cylinder:
r - radius
H - height
We have
Substitute:
The formula of a volume of a cone:
We have
Substitute:
The volume of the plastic object:
Answer:
10/12 +4/3b
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given that,
Mass of a certain material, m = 71 pounds
Since, 1 ton = 2000 pounds
71 pounds = 0.0355 ton
Volume of the material, V = 2.5 gallons
Since, 1 m³ = 264.172 gallon
2.5 gallon = (2.5/264.172 ) m³
Density,