hello i need help on geometry can someone be able to help me?

Question

divanshu · Answer

yes

anonymous · Answer

thank you its kind of complicated because i dont know nothing about it.. there's a circle divided in 5 pizza designs then in onw of the triangles says radius = 10 in. then in another triangle says A
  do you need the formulas?

divanshu · Answer

no

divanshu · Answer

whats onw of the triangles?

anonymous · Answer

$$the formulas are as followed Circle: Circumferences C=2\Pi r = \Pi d$$

divanshu · Answer

and what you have to calculate ?

anonymous · Answer

okay the question says Pete is designing a company logo by dividing a circle into fice equal pie shaped sections as shown in the diagram above. How many degrees are in angle A?

divanshu · Answer

72

anonymous · Answer

and how did u get the answer? so that i can know.. please

divanshu · Answer

see total angle of circle is 360 and its divided into 5 parts so 360/5=72

anonymous · Answer

oohh okay got that lol... but how many inches is the entire circle?
\see theres 3 questions here the second is pere plans to put silver colored ribbon around the circular logo. about how many inches of silver colored ribbon will he need?

anonymous · Answer

should i do the math like this? if 10 inches is a 72 degree pies then x inches should be 360 degrees?

anonymous · Answer

if so my answer is 50 but the multiple choice questions say a. 360 b.20.0 c. 31.4 or d.62.8? which one could it be and y?