A cylinder is 20 inches long and has a diameter of 10 inches. The approximate volume of the cylinder is blank cubic centimeters. 1,570

200

630

6,280

Step-by-step explanation:

V= π r^2h

^

Pi

First you need the radius, if the diameter is 10inches divide by 2 = 5 inches, that's your radius.

π(5inches)^2 times (20 inches)

firsr work out 5^2= 5x5= 25

π(25inches) times (20inches)

25x20=500π inches

500π =1,570.7963267948966192313216916397514420985

which rounds to 1,570, the first one is your answer

is there answer choices?

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

happy to

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