Answer:
The diameter of this circle is 10, the circumference is 31.4 and the area is 58.5.
Step-by-step explanation:
The diameter of a circle is two times it radius so we have:
d = 2*r
d = 2*5 = 10
The circumference of the circle is given by the following formula:
circumference = 2*pi*r
circumference = 2*3.14*5
circumference = 10*3.14 = 31.4
The area of the circle is given by the following formula:
area = pi*r²
area = 3.14*(5)²
area = 3.14*25
area = 78.5
The diameter of this circle is 10, the circumference is 31.4 and the area is 58.5.