The first one, second, and third
Answer:
502.7 meters squared
Step-by-step explanation:
The equation would be 2πrh+2πr^2. If you just plug in the radius and height you will get 502.65. Round it up and you will get 502.7.
Step-by-step explanation:
The formula for calculating a circle's circumference is πd, where π is an irrational number (3.14....) and d is the diameter of the circle.
In the circle with diameter 19.5cm, the circumference is around 3.14 * 19.5cm = 61.23cm. (A)
The banner would be 10feet 3inches
The answer is realistic. I hope this helps ! :)