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21.05.2020 •
Mathematics
The area and the circumference of a circle with diameter 2cm. Answers in the term of pi
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Ответ:
A = pi cm^2
C = 2pi cm
Step-by-step explanation:
The diameter is 2
The circumference of the circle is
C = pi * d
pi *2 = 2pi
The area is pi r^2
The radius is d/2 = 2/2 =1
A = pi (1)^2 = pi
Ответ:
area= 3.14
circumference= 6.28
Step-by-step explanation:
Ответ:
7y is the first one; the second is 42xy
Step-by-step explanation: