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Using the formula C=2TTr, find the circumference of a circle with a diameter of 28 in. round your answer to the nearest inch A. 56in B. 28 in C. 44in D.88in

Using the formula C=2TTr, find the circumference of a circle with a diameter of 28 in. round your answer to the nearest inch A. 56in B. 28 in C. 44in D.88in
asked 13.7k views
5 votes
Using the formula C=2TTr, find the circumference of a circle with a diameter of 28 in. round your answer to the nearest inch

A. 56in
B. 28 in
C. 44in
D.88in

asked
User Haferblues
by
8.2k points

2 Answers

4 votes
radius = diameter /2

so radius = 28/2 = 14

Circumference = 2 x pi x 14 = 28 pi

or from calculator = 87.96 inches ....correct to 2 decimal places
answered
User Amol Chavan
by
8.2k points
3 votes

radius = diameter/2

so 28/2=14

using 3.14 for PI

2*3.14*14 = 87.92 = 88 inches

answered
User Larry Shatzer
by
7.9k points
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