Use this formula:
C = 2πr
or
C = πd;
π ≈ 3.14
r-radius
d-diameter

Somone me i want to know what 18 hours out of 24 hours in a fraction

17 in long 1.3 ft wide and 8in high what is the volume

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?