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:
Step-by-step explanation:
the ration of boys to girls will be:
36/12=3/1
choice b
another way
36 boys.........................12 girls divide by 6
6 boys.............................2 girls divide by 2
3 boys.............................1 girl
Answer:
SteEarth's surface covered by water is 352,000,000 + 9 x 10^6 = 352,000,000 + 9,000,000 = 361,000,000 = 3.61 x 10^8p-by-step explanation:
Answer:
Brenda ran 263.76 metres.
Step-by-step explanation:
The circumference of a circle is two times pi times its radius. Brenda rand that twice, so we need:
2 × 2πr
= 4πr
= 4 × 3.14 × 21m
= 263.73m
Answer:
28 skittles
Step-by-step explanation:
30% of 40 is 12
subtract 12 from 40 and that is 28