Answer:
The surface area of the cylinder is of 131.947 square meters.
Step-by-step explanation:
Surface area of a cylinder:
The surface area of a cylinder of height h and radius r is given by the following equation:

What is the surface area of the cylinder with a height of 3 m and radius of 4 m?
.
So

Height and radius are in meters, so the surface area will be in square meters.
The surface area of the cylinder is of 131.947 square meters.
Answer:
35%
Step-by-step explanation:
1. Multiply 78.75 by 100
78.75* 100 = 7875
2. Divide this by 225
7875/225 = 35
3. Make this number a precent 35%
When the radicand is a negative
Answer:
22
Step-by-step explanation:
30 - 12 :3 ×2
30 - 4 ×2
30 - 8
22