Monday, May 2, 2011

Circumference & Area of a Circle

Rem: First name, last initial

Find the Circumference Formula: C=∏d (circumference=pi x diameter)
pi = 3.14

1. diameter = 7.5m
2. d = 15.5ft
3. d = 10.2cm
4. d = 5mm
5. d = 22km


Find the Area Formula: A=∏r2 (Area=pi x radius squared)

6. r = 15cm
7. r = 4.25m
8. r = 7ft
9. r = 6.75yd
10. r = 10ft

9 comments:

  1. 1.15ft.
    2.31
    3.20.4
    4.10
    5.44
    6.7.5
    7.2.125
    8.3.5
    9.3.375
    10.5 m DAVID M.

    ReplyDelete
  2. 1. 15
    2. 31
    3. 20.4
    4. 10
    5. 44
    6. 7.5
    7. 2.125
    8. 3.5
    9. 3.375
    10. 5
    Joseph D.

    ReplyDelete
  3. Zeb K
    1. 48.67m
    2. 48.67ft
    3. 32.028cm
    4. 15.7mm
    5. 69.08km
    6. 147.8535cm
    7. 41.9033m
    8. 69.9033ft
    9. 66.534075
    10. 98.596

    ReplyDelete
  4. Danielle P.
    1) 23.56194490192344 m
    2)48.69468613064176 ft
    3)32.044245066615886 cm
    4)15.707963267948966 mm
    5)69.11503837897544 km
    6)706.8583470577034 cm
    7)56.745017305465645 m
    8)153.93804002589985 ft
    9)143.13881527918494 yd
    10)314.1592653589793 ft

    ReplyDelete
  5. Christian G
    1)23.55m
    2)48.67ft
    3)32.028cm
    4)15.7mm
    5)69.08km
    6)A=706.5cm
    7)A=56.7m
    8)A=153.86ft
    9)A=143.0yd
    10)A=314ft

    ReplyDelete
  6. Takumi H.
    1. C= 23.55 m.
    2. C= 48.67 ft.
    3. C= 32.028 cm.
    4. C.= 15.7 mm.
    5. C= 69.08 km.
    6. A= 706.5 cm.
    7. A= 56.71625 cm.
    8. A= 153.86 ft.
    9. A= 143.06625 yd.
    10. A= 314 ft.

    ReplyDelete
  7. Cassie R.
    1.23.55
    2.48.67
    3.32.03
    4.15.7
    5.69.8
    6.706.5
    7.56.72
    8.153.86
    9.143.1
    10.314

    ReplyDelete
  8. Dalton Freer
    1.23.55
    2.48.67
    3.32.03
    4.15.7
    5.69.8
    6.706.5
    7.56.72
    8.153.86
    9.143.1
    10.314

    ReplyDelete
  9. Billy S.
    1.23.55 m.
    2.48.67 ft.
    3.32.028 cm.
    4.15.7 mm.
    5.69.08 km.
    6.706.5 cm.
    7.56.71625 cm.
    8.153.86 ft.
    9.143.06625 yd.
    10.314

    ReplyDelete