Consider the circle below with diameter given. Round all answers to the nearest hundredth. 15.5 feet Part A: Determine the radius of the circle above. Part B: Determine the circumference of the circle above

part A: 7.75 ft, part B: 48.69 ft

Explanation:

given a circle with diameter, D, 15.5 feet as shown below (attached drawing)

part A

radius, r = D/2

              = 15.5/2

              = 7.75 feet

              = 7.75 (to the nearest hundredth)

part B

Circumference, C = 2πr

                          C = 2 × 22/7 × 7.75

                          C = 48.6947 feet

                           C = 48.69 (to the nearest hundredth)

note:

if you have 1234.5678, then

1 is Thousand

2 is Hundred

3 is Tens

4 is Unit

after the decimal, we have

5 is Tenth

6 is Hundredth (which is required in this question)

7 is thousandth

8 is Ten thousand etc

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