Answer:
In geometry, the area enclosed by a circle of radius r is πr2. Here the Greek letter π represents a constant, approximately equal to 3.14159, which is equal to the ratio of the circumference of any circle to its diameter.
Explanation:
The small gear that is driven by the motor shaft of a rotisserie is called a Pinion gear. A pinion gear is a type of linear actuator and comes with the rack gear. The pinion gear is the small circle running through the gear rack. It is like the wheels of the train running through the rail. So the answer to your question is letter D.
U can see the printscr botton at the top right of ur keyboard and then u can type paint and the control v.
Answer: I think it’s D
Explanation: the rest apply to the the rules of 1NF and 2NF