Question*4:* Calculate*the*circumference*of*the*following*circles.**
* * Give*your*answers*to*1*decimal*place.*
(a)* * * *********(b)* * * (c)* * * (d)*
*
(e)* * * *********(f)* * * (g)* * * (h)*
Question*5:* Calculate*the*circumference*of*the*following*circles.**
* * Leave*your*answer*in*terms*of*π*
(a)* * * *********(b)* * * (c)* * * (d)*
Question*6:* Work*out*the*circumference*of*the*following*circles.**
**Leave*your*answer*in*terms*of*π*
(a)
*A*circle*with*diameter*12cm*
(b)
*A*circle*with*diameter*52cm*
(c)
*A*circle*with*radius*10cm*
(d)
*A*circle*with*diameter*3cm*
(e)
*A*circle*with*radius*4km*
Question*7:* Find*the*size*of*the*diameter*for*each*of*the*following*circles.*
* * Give*your*answer*to*2*decimal*places.*
(a)* * * ****** * ****(b)* * * * *******(c)*