3 years ago

27) What is the formula of area of a circle?

Mathematics

2 answers:

Anna35 [415]3 years ago

8 0

Answer:

A=πr2

Step-by-step explanation:

i believe this is the formula

mihalych1998 [28]3 years ago

4 0

Answer:

πr^2

Step-by-step explanation:

My 11th grade teacher taught me this song to remember the formula for area and circumference of a circle (to the tune of "Twinkle Twinkle Little Star"):

"Twinkle twinkle little star circumference equals 2πr. Area if you ever cared always equals πr^2."

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