moslehemad1234
moslehemad1234
Today at 9:32 AM
Mathematics
Answered
please help me with this
Answer :
Serasta
Serasta
Today at 9:36 AM
C because 42/2 is the radius of 21 and 21 squared is 441 and with pi that becomes 441pi
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SmartCookie04
SmartCookie04
Today at 9:37 AM
Answer:
C
Step-by-step explanation:
r=diameter ÷ 2
diameter is 42
42÷2=21
21²=441
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