PLS HELP PLSS IM DYinG IN A FIRE PLS SAIN NICK WONT LET ME OUT OF THIS FIRE IF I DONT ANSEWR HE QUESTION PLSSSSSSSS

Answer:
The answers are 2πr, πr², and πd
Step-by-step explanation:
Circumference is area×π×2, and diameter is area×2, so it can also be d×π.