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dizzleman3030
30.05.2021 •
Mathematics
Find the perimeter of this semi-circle with radius, r = 45cm. Give your answer as an expression in terms of pi
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Ответ:
45*pi
Step-by-step explanation:
Perimeter (circumference) =2*pi*R
For sine circle = 1/2*2*pi*R=pi*R=45*pi
Ответ:
5 and 7 are prime numbers so 1 and itself
6 can be divided by 1,2,3,6
Step-by-step explanation: