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What does this mean: πr (π with an r next to it)
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3 votes
What does this mean:

πr
(π with an r next to it)

User Whizzzkid
by
8.1k points

1 Answer

5 votes
Hi!

The mathematical expression πr means pi times the radius.

π means pi or 3.14
r means radius which is half of a diameter

When these two symbols are put right next to each other like so πr it means you are multiplying them.

(π)(r)
π·r
(3.14)r
User Pranesh Ravi
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8.0k points
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